# Sifat-sifat Persegi Panjang Dan Persegi

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Mustofa_choiri
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Questions: 10 | Attempts: 235

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TUGAS KELAS 7 E

• 1.

### I.   Sisi yang berhadapan sejajar ii.  Sisi yang berhadapan sama panjang iii. Diagonal-diagonalnya sama panjang iv.  Diagonal-diagonalnya berpotongan tegak lurus Dari pernyataan-pernyataan di atas, yang termasuk sifat persegi panjang adalah ...

• A.

I, ii, dan iii

• B.

I, ii, dan iv

• C.

I, iii, dan iv

• D.

Semuanya benar

A. I, ii, dan iii
Explanation
The given answer states that the properties of a rectangle are i) sides that are parallel, ii) sides that are equal in length, and iii) diagonals that are equal in length. These properties are indeed true for a rectangle. The answer correctly identifies all the properties of a rectangle, making it the correct answer.

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• 2.

### Pengertian persegi panjang yang tepat adalah ....

• A.

Segi empat mempunyai dua pasang sisi sejajar dan sama panjang

• B.

Segi empat mempunyai sisi-sisi berhadapan sejajar dan sama panjang

• C.

Segi empat mempunyai dua pasang sisi sejajar sama panjang dan keempat sudut siku-siku

• D.

Segi empat yang semua sisinya sejajar dan sama panjang serta keempat sudutnya siku-siku

C. Segi empat mempunyai dua pasang sisi sejajar sama panjang dan keempat sudut siku-siku
Explanation
The correct answer is "segi empat mempunyai dua pasang sisi sejajar sama panjang dan keempat sudut siku-siku". This answer accurately describes the definition of a rectangle, which is a quadrilateral with two pairs of parallel and equal-length sides, and all four angles are right angles.

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• 3.

### Persegi panjang PQRS mempunyai ukuran 12 cm x 10 cm. Bila panjang sisi PQ > QR, dan pernyataan sebagai berikut i.   PQ = RS ii.  Panjang PQ = 10 cm iii. Panjang PR = 10 cm iv. Panjang RS = 12 cm Maka pernyataan yang benar adalah....

• A.

I, ii dan iii

• B.

I dan iv

• C.

Ii, iii dan iv

• D.

Semua benar

B. I dan iv
Explanation
The correct answer is "i dan iv". This means that statements i and iv are true. Statement i states that PQ is equal to RS, which is true because both sides of the rectangle are equal in length. Statement iv states that the length of RS is 12 cm, which is true based on the given dimensions of the rectangle. Therefore, the correct answer is i and iv.

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• 4.

### Diketahui persegi panjang KLMN, pernyataan yang benar adalah ....

• A.
• B.
• C.

KL = MN

• D.

KN = KL

C. KL = MN
Explanation
The correct answer is KL = MN. This is because in a rectangle, opposite sides are equal in length. So, if KL and MN are opposite sides of the rectangle, they must be equal in length.

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• 5.

### Banyak cara persegi panjang menempati bingkainya adalah ....

• A.

4

• B.

3

• C.

2

• D.

1

A. 4
Explanation
The given answer is 4 because a rectangle can be placed in its frame in four different ways. It can be rotated 90 degrees clockwise or counterclockwise, or it can be flipped horizontally or vertically. Each of these orientations will result in a different placement of the rectangle in its frame.

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• 6.

### I.   Semua sisi sama panjang ii.  Semua sudutnya siku-siku iii. Diagonal-diagonalnya berpotongan tegak lurus iv. Mempunyai sepasang sisi sejajar Dari pernyataan di atas, yang merupakan sifat persegi adalah...

• A.

I, ii dan iii

• B.

I, ii dan iv

• C.

Ii, iii dan iv

• D.

1, ii, iii dan iv

A. I, ii dan iii
Explanation
The given statement mentions three properties of a square: all sides are equal in length (i), all angles are right angles (ii), and the diagonals intersect at right angles (iii). These three properties are unique to squares and do not apply to any other quadrilateral. Therefore, the correct answer is i, ii, and iii.

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• 7.

### Persegi dapat menempati bingkainya adalah ....

• A.

8

• B.

4

• C.

3

• D.

2

A. 8
Explanation
The answer is 8 because a square can fill its frame completely, with all four sides touching the edges of the frame.

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• 8.

### Pada persegi KLMN dimana KM dan LN merupakan diagonal-diagonalnya, banyak segitiga siku-siku yang dapat dibentuk adalah ...

• A.

4

• B.

5

• C.

6

• D.

8

D. 8
Explanation
In a square KLMN, the diagonals KM and LN intersect at a right angle, forming four right triangles. Additionally, each of the four smaller squares formed by the diagonals also contains a right triangle. Therefore, a total of eight right triangles can be formed in the square KLMN.

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• 9.

### Pada persegi panjang ABCD diman AD dan BC merupakan diagonal-diagonalnya, banyak segitiga siku-siku yang dapat dibentuk adalah ....

• A.

2

• B.

4

• C.

6

• D.

8

B. 4
Explanation
In a rectangle, the diagonals are equal in length and bisect each other. Each diagonal divides the rectangle into two congruent right triangles. Therefore, there are a total of 4 right triangles that can be formed in the rectangle.

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• 10.

• A.

AC = BD

• B.
• C.

AE = DE

• D.