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USPshnik [31]
3 years ago
10

Pls help me this is 7th grade (ADVANCED)

Mathematics
1 answer:
dmitriy555 [2]3 years ago
3 0

Answer: We can use equations to represent the measures of the angles described above. One equation might tell us the sum of the angles of the triangle. For example,

X°+145°=180° because there supplementary angles.

X°=35° because 180-145=35°.

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