Question

The counterexample for the bi-conditional "An angle measures 120° if and only if the angle is obtuse" is

Answer 1

Step 1

Given; The counterexample for the bi-conditional "An angle measures 120° if and only if the angle is obtuse" is

Step 2

The counter-example will be;

$An\text{ angle is obtuse if and only if the angle measures 120}^o$

Answer;