Question

I need help
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Answer 1

81 Degrees

Explanation:

These are the same number which means all you have to do is remember that triangles are 180 degrees total and subtract out the 18 and you get 162 which you then divide by 2.

Answer 2

x=81

Explanation:

all triangles = 180 degrees

180 - 18 = 162

162/2 = 81

81 is your answer