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mr Goodwill [35]
3 years ago
8

Need HELP! 20 POINTS and BRAINLIEST for the RIGHT answer!

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

The three angles in a triangle add to 180 degrees

<A+ <B+ <C = 180

<A + 120 + 40 = 180

<A + 160 = 180

subtract 160 from each side

<A = 20

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