Question

For AABC, the measure in degrees of angles A, B, and Care 60, 55, and x + 20 respectively. What is the value of x?

Answer 1

B. 45 is the answer my good sir

Answer 2

60 + 55 + x + 20 = 180

135 + x = 180

x = 180 - 135 = 45 degrees is your answer.

Explanation: