By definition, a rectangle is a four-sided figure with four right-angle corners. Which of these expresses this definition as a biconditional statement?

A. A quadrilateral is a rectangle iff it has four 90º angles.

B. Once a quadrilateral has four 90º angles it has become a rectangle.

C. Quadrilaterals are rectangles when they have four 90º angles.

D. A rectangle is a quadrilateral with four 90º angles.

Question

3 January, 14:09

+1

Answers (2)

Know the Answer?

Peppermint · Answer 1

A. Biconditional statements always take the form of " if and only if (iff) ".

Semaj Pope · Answer 2

The correct answer is D