Question

Find the missing angle measures.

What is m∠1?

a. 50
b. 105
c. 100
d. 60

Answer 1

Answer: C

Explanation:

we know that the third angle of the triangle with 50 and 50 degrees is 80 because a triangle has 180 degrees. we also know that 80 + the measure of angle 1 = 180 and 80 + 100=180