Question

rewrite the statements as a biconditional statement. if an angle is a right angle, then it measures 90°. if an angle measures 90°, then it is a right angle.

Explanation:

Step1: Recall biconditional form

A biconditional statement is of the form "p if and only if q". Here, p is "an angle is a right - angle" and q is "an angle measures 90°".

Answer:

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