Question

find the measures of the angles labeled in the figure on the right.
m∠efd = 90°
m∠ehf = □°

Explanation:

Step1: Identify vertical angles

Vertical angles are equal. $\angle EHF$ and the angle marked $53^{\circ}$ are vertical angles.

Step2: Determine angle measure

Since vertical - angles are congruent, $m\angle EHF = 53^{\circ}$.

Answer:

$53$