Question

What is the measure of <1?
A. 50
B. 60
C. 80
D. 100

Answer 1

A 50º

Explanation:

sum of the interior angle of a triangle = 180º

⦣1 = ⦣2

⦣1 and⦣2 = 180º - 80º = 100º

100º/2 = 50º

Answer 2

Your answer already :) aka 50 degrees

Explanation:

The next two angles are the same so just do 180-80 (100) then 100/2 and get 50 :]