Question

which of the following equations could be used to find the missing angle measure?
$h + 136 = 180$
none of these
$136 - h = 180$
$h + 90 = 136$

Explanation:

Step1: Recall the concept of supplementary angles

Supplementary angles add up to \(180^{\circ}\). In the given figure, the angle \(h^{\circ}\) and \(136^{\circ}\) are supplementary.

Step2: Set up the equation

Based on the supplementary - angle concept, the equation is \(h + 136=180\).

Answer:

A. \(h + 136 = 180\)