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liberstina [14]
3 years ago
6

Determine the measure of the missing angle in each triangle? Please help me ASAP

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Answer:


Step-by-step explanation:

Sum of angles in a triangle = 180

1. 180 = 78 + 37 + x

180 = 115 + x

Subtract 115 from both sides

180 - 115 = 115 + x - 115

180 - 115 = x

65 = x

x = 65°


2. 180 = 80 + 66 + x

180 = 146 + x

Subtract 146 from both sides

180 - 146 = 146 + x - 146

34 = x

x = 34°

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