Question

line jl and line km intersect at point h. find the three unknown angle measures in the figure. what do you notice about the angles on opposite sides of point h? they have the same measure. they are supplementary

Explanation:

Step1: Identify angle - pair type

The angles on opposite sides of point H are vertical angles.

Step2: Recall vertical - angle property

Vertical angles are congruent, meaning they have the same measure. In the figure, the 51 - degree angles are vertical angles and the 129 - degree angles are vertical angles.

Answer:

They have the same measure.