Question

An angle is a right angle if and only if it measures 90°

Write a definition based on the biconditional.

A.
A right angle measures 90°
B.
If an angle is a right angle, then it measures 90°
C.
An angle is a right angle.
D.
An angle measures 90°

Answer 1

A right angle measures 90°

Explanation:

Answer 2

If an angle is a right angle, then it measures 90 degrees