Question

If two angles of a triangle have measures of 42 degrees and

20 degrees, what is the measure of the third?

Answer 1

Measure of the third angle is 118 degrees

Explanation:

Every Triangle has all the angle measures add up to 180 degrees. If two of the measures are 20 degrees and 42 degrees, which add up to 62, then using subtraction we can find the third measure.

180 - 62 = 118