carolinemdawn
carolinemdawn
28-04-2018
Mathematics
contestada
solve for x, not sure how to do this
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chaitealatte27
chaitealatte27
28-04-2018
All the angles in a triangle add up to 180:
31+(x-15)+x=180
2x-15=149
2x=164
x=82 degrees
Answer Link
TheWiseOrange
TheWiseOrange
28-04-2018
Answer: 82°
Explanation:
31 + x + x - 15 = 180 (Sum of angles in a triangle is 180)
16 + 2x = 180
2x = 164
x = 82
Answer Link
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