Question

Find which of the following are not true:

1. All the sides of a rhombus are always equal in length.

2. All the sides of a parallelogram are always equal in length.

3. Diagonals of a parallelogram are equal in length.

4. Diagonals of a square are equal in length.

5. Diagonals of a rectangle are equal in length.

• A. 1, 4 and 5
• B. 2, 4 and 5
• C. 2 and 3
• D. 1, 3 and 5

Answer 1

The correct option is C

2 and 3

In a parallelogram, opposite sides are equal and diagonals are not equal. So, except 2 and 3, all are true.