Question

The measures of two angles in a triangle are 48° and 71°. What is the measure of the third angle?

Answer 1

61. 180 minus 71 minus 48 is 61

Answer 2

The sum of the 3 angles needs to be 180.

To find the third angle subtract to the known angles from 180.

180 - 48 - 71 = 61

The third angle is 61 degrees.