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Arlecino [84]
3 years ago
6

Find the measure of the remote exterior angle. m∠x=(5n−19)° m∠y=(n+7)° m∠z=(144−6n)°

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0

Answer:

66°

Step-by-step explanation:

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

x + y = z

5n − 19 + n + 7 = 144 − 6n

6n − 12 = 144 − 6n

12n = 156

n = 13

m∠z = (144−6n)°

m∠z = (144−6×13)°

m∠z = 66°

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