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Katyanochek1 [597]
3 years ago
7

I need help answering this question

Mathematics
1 answer:
DiKsa [7]3 years ago
5 0

Answer:

x = 7

Step-by-step explanation:

Given that AB and BC are perpendicular, it follows that:

m<ABC = right angle = 90°

Thus:

75 + (x + 8) = 90 (angle addition postulate)

Solve for x

75 + x + 8 = 90

83 + x = 90

Subtract 83 from each side

83 + x - 83 = 90 - 83

x = 7

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