Question

6. One angle of a triangle is 20 degrees. The second angle-s measurement is four times the
third. What is the measure of the third angle?

Answer 1

Answer:

32

Step-by-step explanation:

first angle is 20, let third angle be x, therefore second angle equals 4x;  angle in a triangle is 180, so 4x+x+20=180;   5x=160;   x=32