When I look at which posts people are viewing on this blog, inevitably one of the most popular posts is the one about Right Triangle Trigonometry (SOH-CAH-TOA) and its follow-up post with more practice problems. Today, we’ll expand on that topic by looking at how you can determine the measure of an angle in a right triangle.

Consider this problem:

In the right triangle ABC below, what is the measure, to the nearest degree, of Angle A?

A. 38

B. 44

C. 46

D. 49

E. 53

Continue reading ACT Math: Finding an Angle Measure in a Right Triangle