Question

Which of the following statements about a rhombus is not true?

A rhombus is a parallelogram.
A rhombus has two sets of parallel sides.
A rhombus has four sides of equal length.
A rhombus has four right angles.

Answer 1

Given:

Consider a rhombus.

To find:

Which of the given statements about a rhombus is not true?

Solution:

Properties of a Rhombus:

1. It is a quadrilateral which is a special case of a parallelogram.

2. It has four equal sides.

3. It has two sets of parallel sides.

4. Opposite angles are equal.

5. Diagonals are perpendicular bisectors.

Since a rhombus doesn't has four right angles, therefore the last statement in the given options is not true about the rhombus.

Hence, the correct option is D.