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rodikova [14]
3 years ago
5

How to find the measure of an exterior angle?

Mathematics
1 answer:
MariettaO [177]3 years ago
4 0
180 -internal angel good luck
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ΔMNP is an isosceles triangle with MN ≈NP. If ∠ M = 3x + 1 and ∠ N = x - 11. What is the measure of ∠P?
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Start with an equation summing all the angles in this triangle:

180 = <M + <N + <P

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