Question

Ray XY bisects ∠MXN which measures 72°. What is the measure of ∠YXN?

• A. ${36}^{\circ }$
• B. ${27}^{\circ }$
• C. ${72}^{\circ }$
• D. ${18}^{\circ }$

Answer 1

The correct option is A ${36}^{\circ }$

$\angle YXN=\frac{1}{2}\times \angle MXN$

$=\frac{1}{2}\times 72°$

$=36°$