Question

2. Given the following angle measurements for a triangle, find the remaining angle.

a. 53, 69

b. 105, 47

c. 90, 25

Answer 1

All the angles in a triangle add to 180
a. 180 - (53 + 69) = 180 - 122 = 58
b. 180 - (105 + 47) = 180 - 152 = 28
c. 180 - (90 + 25) = 180 - 115 = 65