Question

The measures of two angles of a triangle are x and 4x. Which of these expressions represent the measure of the third angle?

f. 180 + x+ 4x
g. 180 - x - 4x
h. 180 - x + 4x
I. 180 + x - 4x​

Answer 1

G is the answer

Explanation:

You have to subtract the two angles from 180, the total angle to get the third one.