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I have no idea what I’m doing

I have no idea what I’m doing-example-1
User Aerique
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1 Answer

6 votes

Explanation:

QR is a straight line = 180 degrees

so 72 + 5x + 38 = 180

(72 + 38) + 5x = 180

110 + 5x = 180

5x = 70

x = 70 / 5 = 14

User DavidD
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