Question

What is the answer to this question?

Answer 1

Answer:

  C. 80°, 100°

Step-by-step explanation:

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

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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.