Soal Matematika Kelas 3 Sd Bab 7 Bangun Datar - Www.Bimbelbrilian.Com
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Questions and Answers
- 1.
Gambar bangun di atas adalah gambar bangun ....
- A.
Persegi panjang
- B.
Persegi
- C.
Segitiga
- D.
Trapesium
Correct Answer
B. PersegiExplanation
The given shape in the picture is a square because it has four equal sides and four right angles. A square is a type of quadrilateral where all sides are of equal length and all angles are right angles.Rate this question:
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- 2.
Bangun yang memiliki 3 sisi dan 3 sudut adalah ....
- A.
Lingkaran
- B.
Persegi
- C.
Segitiga
- D.
Persegi panjang
Correct Answer
C. SegitigaExplanation
A bangun with 3 sides and 3 angles is called a triangle. A triangle is a polygon with three sides and three angles. It is the only polygon that can have exactly three sides and three angles. Therefore, the correct answer is "Segitiga" which means "Triangle" in English.Rate this question:
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- 3.
Bangun yang memiliki 4 sisi, 2 pasang sisi sama panjang, dan memiliki 4 sudut yang sama besar adalah ....
- A.
Persegi
- B.
Trapesium
- C.
Layang-layang
- D.
Persegi panjang
Correct Answer
D. Persegi panjangExplanation
A shape that has 4 sides, 2 pairs of equal sides, and 4 equal angles is a rectangle. A rectangle is a type of quadrilateral that has opposite sides that are equal in length and all angles are right angles. Therefore, the correct answer is "Persegi panjang" which translates to "rectangle" in English.Rate this question:
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- 4.
Gambar bangun di atas ini adalah gambar bangun ...
- A.
Segitiga sama sisi
- B.
Segitiga siku-siku
- C.
Segitiga sama kaki
- D.
Segitiga sembarang
Correct Answer
C. Segitiga sama kakiExplanation
The given image shows a triangle with two sides of equal length. This indicates that it is an isosceles triangle, which is a type of triangle with two sides of equal length. Therefore, the correct answer is "Segitiga sama kaki" (Isosceles triangle).Rate this question:
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- 5.
Segitiga yang mempunyai tiga sisi yang sama panjang disebut segitiga ....
- A.
Segitiga sama sisi
- B.
Segitiga siku-siku
- C.
Segitiga sama kaki
- D.
Segitiga sembarang
Correct Answer
D. Segitiga sembarangExplanation
Segitiga yang mempunyai tiga sisi yang sama panjang disebut segitiga sama sisi. Segitiga sembarang tidak memiliki sisi yang sama panjang.Rate this question:
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- 6.
Gambar diatas adalah gambar segitiga ...
- A.
Siku-siku
- B.
Sembarang
- C.
Sama kaki
- D.
Sama sisi
Correct Answer
A. Siku-sikuExplanation
The image above is a picture of a right triangle. A right triangle is a triangle that has one angle measuring 90 degrees. In the given image, one of the angles is clearly a right angle, which confirms that it is a right triangle.Rate this question:
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- 7.
Bangun persegi mempunyai sisi yang ....
- A.
Sama luasnya
- B.
Sama kecilnya
- C.
Sama panjangnya
- D.
Sama kelilingnya
Correct Answer
C. Sama panjangnyaExplanation
The correct answer is "Sama panjangnya" because a square is a special type of rectangle where all four sides are equal in length. Therefore, the sides of a square are always the same length.Rate this question:
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- 8.
Gambar bangun diatas adalah ....
- A.
Layang layang
- B.
Belah ketupat
- C.
Trapesium
- D.
Jajar genjang
Correct Answer
A. Layang layangExplanation
The given shape in the image is a layang-layang. A layang-layang is a quadrilateral with two pairs of congruent sides that are not parallel. Its opposite angles are also congruent. In the image, we can see that the shape has two pairs of sides that are equal in length and the opposite angles are also equal. Therefore, the correct answer is layang-layang.Rate this question:
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- 9.
Bangun persegi panjang mempunyai .... sisi.
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
C. 4Explanation
A rectangle has four sides.Rate this question:
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- 10.
Segitiga sama kaki mempunyai sisi yang sama panjang sebanyak ....
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
A. 2Explanation
A triangle with two equal sides is called an isosceles triangle. In an isosceles triangle, only two sides are equal in length. Therefore, the correct answer is 2, as there are two sides of the triangle that have the same length.Rate this question:
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- 11.
Gambar di atas merupakan gambar bangun ...
- A.
Jajar genjang
- B.
Belah ketupat
- C.
Layang-layang
- D.
Trapesium
Correct Answer
A. Jajar genjangExplanation
The given image represents a jajar genjang (parallelogram) because it has opposite sides that are parallel and equal in length. Additionally, the opposite angles are also equal.Rate this question:
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- 12.
Bangun datar yang tidak memiliki sudut adalah bangun ....
- A.
Trapesium
- B.
Lingkaran
- C.
Persegi
- D.
Segitiga
Correct Answer
B. LingkaranExplanation
A lingkaran is a two-dimensional shape that consists of all points in a plane that are equidistant from a fixed center point. It does not have any angles because it is a curved shape.Rate this question:
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- 13.
Segitiga yang tidak memiliki sisi yang sama panjang dan memiliki sudut yang besarnya berbeda-beda adalah ...
- A.
Segitiga sama kaki
- B.
Segitiga sama sisi
- C.
Segitiga siku-siku
- D.
Segitiga sembarang
Correct Answer
D. Segitiga sembarangExplanation
A segitiga sembarang is a triangle that does not have any sides of equal length and has angles of different sizes. This means that all three sides of the triangle are different lengths, and the angles of the triangle are not equal to each other. Therefore, a segitiga sembarang is the correct answer for this question.Rate this question:
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- 14.
Bangun di bawah ini adalah gambar bangun ,...
- A.
Persegi panjang
- B.
Persegi
- C.
Trapesium
- D.
Jajar genjang
Correct Answer
A. Persegi panjangExplanation
The given answer "Persegi panjang" is correct because the shape shown in the image has four sides, with opposite sides being parallel and equal in length. This matches the definition of a rectangle or a square, both of which are types of rectangles. Since a square is a special type of rectangle with all sides equal in length, it can also be considered a valid answer.Rate this question:
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- 15.
Gambar di atas yang merupakan segitiga siku-siku adalah ....
- A.
A dan C
- B.
B dan C
- C.
C dan A
- D.
A dan B
Correct Answer
D. A dan BExplanation
The given image shows a right-angled triangle. The sides of a right-angled triangle are usually labeled as A, B, and C, with A and B being the two shorter sides and C being the longest side, also known as the hypotenuse. Therefore, the correct answer is A and B, as these are the two shorter sides of the right-angled triangle in the image.Rate this question:
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- 16.
Bentuk buku gambar biasanya berbentuk ....
- A.
Persegi
- B.
Segitiga
- C.
Lingkaran
- D.
Persegi panjang
Correct Answer
D. Persegi panjangExplanation
Buku gambar biasanya berbentuk persegi panjang karena bentuk ini memberikan ruang yang lebih luas untuk menggambar. Dengan bentuk persegi panjang, gambar dapat diletakkan dengan lebih rapi dan terorganisir. Selain itu, bentuk persegi panjang juga lebih mudah untuk ditata dan disimpan.Rate this question:
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- 17.
Benda yang berbentuk lingkaran adalah ...
- A.
Jam dinding
- B.
Genteng
- C.
Tangan
- D.
Papan tulis
Correct Answer
A. Jam dindingExplanation
The correct answer is "Jam dinding" because a wall clock is typically round in shape, resembling a circle.Rate this question:
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- 18.
Bentuk alas papan catur adalah ...
- A.
Lingkaran
- B.
Trapesium
- C.
Persegi
- D.
Segitiga
Correct Answer
C. PersegiExplanation
The correct answer is "Persegi" because a chessboard is typically made up of squares that are arranged in rows and columns. Each square is a perfect square shape with four equal sides, which is the definition of a square. Therefore, the shape of the chessboard's base is a square.Rate this question:
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- 19.
Sudut yang memiliki besar 90° disebut sudut ....
- A.
Siku-siku
- B.
Lancip
- C.
Tumpul
- D.
Garis diagonal
Correct Answer
A. Siku-sikuExplanation
Sudut yang memiliki besar 90° disebut siku-siku karena sudut tersebut membentuk sudut yang tepat, yaitu sudut yang membentuk garis lurus sejajar dengan permukaan datar.Rate this question:
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- 20.
Sudut lancip adalah sudut yang besarnya kurang dari ....
- A.
95 Derajat
- B.
90 Derajat
- C.
60 Derajat
- D.
85 Derajat
Correct Answer
B. 90 DerajatExplanation
Sudut lancip adalah sudut yang besarnya kurang dari 90 derajat. Sudut 90 derajat merupakan sudut yang tepat, bukan sudut lancip.Rate this question:
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- 21.
Gambar di atas adalah gambar dari sudut ....
- A.
Lancip
- B.
Siku-siku
- C.
Tumpul
- D.
Garis diagonal
Correct Answer
C. TumpulExplanation
The image in the question appears to show an angle that is greater than 90 degrees, indicating that it is an obtuse angle. This is consistent with the term "tumpul" which means obtuse in Indonesian.Rate this question:
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- 22.
Sudut yang dibentuk oleh jarum jam pada pukul 01.00 adalah ...
- A.
Sudut siku-siku
- B.
Sudut lancip
- C.
Sudut tumpul
- D.
Sudut sembarang
Correct Answer
B. Sudut lancipExplanation
Pada pukul 01.00, jarum jam akan menunjuk ke angka 1 di tengah jam. Sudut yang dibentuk oleh jarum jam pada posisi ini adalah sudut lancip, karena sudut tersebut kurang dari 90 derajat.Rate this question:
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- 23.
Gambar di atas secara urut menunjukan ...
- A.
A adahal sutu tumpul, B adalah sudut siku-siku dan C adalah sudut lancip
- B.
A adahal sutu lancip, B adalah sudut siku-siku dan C adalah sudut tumpul
- C.
A adahal sutu lancip, B adalah sudut tumpul dan C adalah sudut siku-siku
- D.
A adahal sutu siku-siku, B adalah sudut tumpul dan C adalah sudut lancip
Correct Answer
C. A adahal sutu lancip, B adalah sudut tumpul dan C adalah sudut siku-sikuExplanation
The correct answer is A because the image shows an acute angle for A, a obtuse angle for B, and a right angle for C.Rate this question:
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- 24.
Sudut yang besarnya adalah adalah termasuk sudut ....
- A.
Tumpul
- B.
Lancip
- C.
Siku-siku
- D.
Sembarang
Correct Answer
B. LancipExplanation
The correct answer is "Lancip" because a lancip angle is an angle that measures less than 90 degrees. It is not a tumpul angle (which measures more than 90 degrees), siku-siku angle (which measures exactly 90 degrees), or sembarang angle (which is an arbitrary angle with no specific measurement).Rate this question:
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- 25.
Besar sudut yang dibentuk oleh jam di atas adalah ....
- A.
95 Derajat
- B.
90 Derajat
- C.
60 Derajat
- D.
85 Derajat
Correct Answer
B. 90 DerajatExplanation
The correct answer is 90 degrees. This is because the hour hand of a clock moves in a complete circle, which is 360 degrees, in 12 hours. Therefore, in one hour, the hour hand moves 360/12 = 30 degrees. Since the clock is showing 3 o'clock, the hour hand is pointing directly at the number 3, which is 90 degrees from the 12 o'clock position.Rate this question:
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