Question

What is the answer to this question?

Answer 1

C. 80°, 100°

Explanation:

The only answer choice showing a ratio of 4:5 is choice C.

__

A: 80 : 80 = 1 : 1

B: 10 : 80 = 1 : 8

C: 80 : 100 = 4 : 5 . . . . the correct choice

D: 100 : 100 = 1 : 1

For this set of answer choices, you can simply look at the ratio. You don't even need to know what supplementary angles are.