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

Gillian Hodges

23 October, 21:23

+3

Answers (2)

Know the Answer?

Alia Morgan · Answer 1

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

Garrett Nichols · Answer 2

Garrett Nichols 23 October, 22:27

0

The correct answer is D