Question

PLEASE HELP PELASE

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

A.
65

B.
45

C.
95

D.
25

Answer 1

B.45

Explanation:

A sum of all angles in a triangle is 180°

55+60+x+20=180

60+55=115

180-115=65

65-20=45

Answer: 45°