1.
Berikut di bawah ini yang tidak merupakan sifat dari persegi panjang adalah ....
Correct Answer
D. Mempunyai 4 sisi yang ukurannya sama panjang
Explanation
Persegi panjang memiliki dua pasang sisi yang sama panjang, dua diagonal yang berpotongan di satu titik, dan empat sudut siku-siku. Namun, persegi panjang tidak memiliki empat sisi yang ukurannya sama panjang.
2.
Perhatikan gambar di bawah ini untuk mengisi soal nomor 2 dan 3!
Sudut yang besarnya sama dengan sudut JAK adalah sudut ....
Correct Answer
D. LAM
Explanation
The correct answer is LAM. In the given image, it can be observed that the angle labeled as JAK is equal to the angle labeled as LAM. Therefore, the correct answer is LAM.
3.
Perhatikan gambar di bawah ini untuk mengisi soal nomor 2 dan 3!
Jika panjang JM adalah 10 cm dan Panjang JK adalah 25 cm. Maka selisih panjang LM dan KL adalah ....
Correct Answer
C. 15 cm
Explanation
The difference between the lengths of LM and KL can be found by subtracting the length of JK from the length of JM. Since JM is 10 cm and JK is 25 cm, the difference between LM and KL is 15 cm.
4.
Segitiga yang mempunyai tiga sisi yang ukurannya sama panjang dinamakan segitiga ....
Correct Answer
C. Sama sisi
Explanation
A triangle that has three sides of equal length is called an equilateral triangle. This type of triangle is characterized by having all angles measuring 60 degrees.
5.
Pada bangun jajargenjang di atas, sisi yang panjangnya sama dengan sisi CD adalah sisi ....
Correct Answer
B. AB
Explanation
The question asks for the side that is equal in length to side CD in the given parallelogram. Looking at the diagram, we can see that side AB is parallel to CD and they both have the same length. Therefore, the correct answer is AB.
6.
Gambar di atas merupakan gambar bangun ....
Correct Answer
C. Belah ketupat
Explanation
The image shown is a diamond shape, which is commonly known as a "belah ketupat" in Indonesian. The diamond shape has four equal sides and opposite angles that are congruent, making it a perfect fit for the description of a "belah ketupat."
7.
Pada gambar soal nomor 6, sudut yang besarnya sama dengan sudut JKL adalah sudut ....
Correct Answer
D. LMJ
Explanation
The angle that is equal to angle JKL is angle LMJ.
8.
Trapesium siku-siku mempunyai sudut lancip sebanyak .... buah.
Correct Answer
A. 1
Explanation
A right trapezium has one acute angle.
9.
Jajargenjang mempunyai dua pasang .... dan ..... yang sama besar.
Correct Answer
C. Sudut dan sisi
Explanation
A jajargenjang is a quadrilateral with opposite sides that are parallel and equal in length. It also has opposite angles that are equal in measure. Therefore, the correct answer is "Sudut dan sisi" which translates to "Angles and sides" in English.
10.
Perhatikan sifat-sifat bangun di bawah ini :
I ) Mempunyai 4 titik sudut
II ) Mempunyai 2 pasang sisi sama panjang
III ) Mempunyai 2 pasang sudut yang sama besarnya
IV ) Mempunyai 4 buah sisi
Sifat yang dimiliki oleh bangun layang-layang ditunjukan nomor ....
Correct Answer
D. I, II dan IV
Explanation
The given answer, I, II, and IV, is correct because it includes all the properties mentioned in the question. The properties mentioned are: having 4 vertices (I), having 2 pairs of equal sides (II), and having 4 sides (IV). Therefore, the correct answer is I, II, and IV.
11.
Kubus merupakan bangun ruang yang jumlah ruruknya sebanyak ....
Correct Answer
B. 12
Explanation
Kubus merupakan bangun ruang yang memiliki 6 rusuk. Setiap rusuk pada kubus terdiri dari 2 ruas garis, sehingga jumlah ruruk pada kubus adalah 12.
12.
Semua sisi kubus berbentuk ....
Correct Answer
D. Segiempat
Explanation
The correct answer is "Segiempat" because a cube has six square faces, which are all examples of a quadrilateral shape known as a "segiempat" in Indonesian. A square is a specific type of segiempat, but not all segiempat are squares. Therefore, "segiempat" is the most accurate description of the shape of all sides of a cube.
13.
Perhatikan gambar di bawah ini untuk mengisi soal nomor 13 dan 14 !
Sisi balok di atas yang ukuran panjangnya sama dengan sisi CG adalah sisi ....
Correct Answer
B. BF, DH dan AE
Explanation
The correct answer is BF, DH, and AE. In the given image, the sides of the cuboid are labeled with letters. The question asks for the sides that have the same length as side CG. By comparing the lengths, we can see that side BF, DH, and AE have the same length as side CG.
14.
Perhatikan gambar di bawah ini untuk mengisi soal nomor 13 dan 14 !
Sisi ABCD mempunyai ukuran yang sama dengan sisi ....
Correct Answer
D. EFGH
Explanation
The given answer, EFGH, is the correct answer because it is the only option that represents the sides of the square ABCD. The other options, ADHE, BCGF, and CDHG, do not represent the sides of the square.
15.
Semua titik sudut yang dimiliki bangun balok adalah ....
Correct Answer
B. Sama besar
Explanation
The correct answer is "Sama besar" because in a rectangular solid, all of its angles are right angles, which means they are all equal in size. Therefore, all the angles in a rectangular solid are the same size, making the answer "Sama besar" correct.
16.
Berikut ini unsur-unsur limas segi empat, kecuali ....
Correct Answer
D. Memiliki 5 buah sisi segitiga
Explanation
Limas segi empat memiliki 5 buah sisi segitiga. Limas segi empat memiliki 8 buah rusuk, 5 buah sisi, dan 5 buah sudut.
17.
Gambar di atas merupakan jaring-jaring dari bangun ....
Correct Answer
D. Limas segiempat
Explanation
The given image represents the net of a square pyramid.
18.
Santi dan Mira sama-sama menggambar persegi panjang. Gambar santi dan Mira berbeda ukurannya, namun memiliki perbandingan yang sama. Santi menggambar persegi panjang dengan ukuran 30 cm x 10 cm. Jika persegi panjang yang digambar Mira lebarnya adalah 7 cm, maka panjangnya adalah ....
Correct Answer
C. 21 cm
Explanation
The question states that Santi and Mira both draw rectangles with different sizes but with the same ratio. Santi's rectangle has dimensions of 30 cm x 10 cm. If Mira's rectangle has a width of 7 cm, then we can find the length by setting up a proportion.
The ratio of Santi's length to width is 30 cm / 10 cm = 3.
We can set up a proportion using Mira's width (7 cm) and the unknown length (x cm):
7 cm / x cm = 3
Cross multiplying gives us:
7 cm * 3 = x cm
21 cm = x cm
Therefore, the length of Mira's rectangle is 21 cm.
19.
Segitiga sama sisi di atas mempunyai simetri lipat sebanyak ....
Correct Answer
C. 3
Explanation
The given equilateral triangle has three lines of symmetry. Each line of symmetry divides the triangle into two congruent parts that can be folded onto each other. Therefore, the correct answer is 3.
20.
Jumlah simetri lipat pada bangun lingkaran adalah ....
Correct Answer
D. Tak terhingga
Explanation
The number of fold symmetries in a circle is infinite because a circle can be folded an infinite number of times along any diameter and still match up perfectly. Each fold creates a new line of symmetry, resulting in an infinite number of fold symmetries.
21.
.
Rusuk bangun di atas yang mempunyai panjang yang sama dengan rusuk AD adalah ....
Correct Answer
D. BE dan CF
Explanation
The correct answer is BE and CF. This is because the question states that the length of the sides of the figure is the same as the length of side AD. Among the given options, only BE and CF are the sides that are not directly mentioned in the question. Therefore, they are the sides that have the same length as AD.
22.
Sisi yang panjangnya sama dengan sisi BT adalah sisi ....
Correct Answer
C. AT, CT dan DT
Explanation
The correct answer is AT, CT, and DT. This is because the question states that the length of the side is equal to the length of side BT. Among the given options, only AT, CT, and DT are the sides that can have the same length as BT. Therefore, these are the correct sides.
23.
Bangun tabung mempunyai sisi alas berbentuk ....
Correct Answer
D. Lingkaran
Explanation
The correct answer is Lingkaran. In a cylinder, the base is always in the shape of a circle.
24.
Gambar di atas merupakan jaring-jaring dari bangun ....
Correct Answer
B. Balok
Explanation
The image above represents the net of a rectangular prism, also known as a cuboid or a rectangular box. It has six rectangular faces, with opposite faces being congruent and parallel. The net can be folded to form a three-dimensional rectangular prism.
25.
Gambar di atas merupakan jaring-jaring bangun ....
Correct Answer
D. Prisma segitiga
Explanation
The image shown is a triangular prism, which is a three-dimensional shape with two triangular bases and three rectangular faces connecting them.