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antiseptic1488 [7]
4 years ago
15

ALGEBRA 1. WILL GIVE BRAINLIEST.

Mathematics
1 answer:
attashe74 [19]4 years ago
7 0
A + B = 180
A - B = 70
therefore:
A = B + 70
(B + 70) + B = 180 by substitution
2B = 110
B = 55
A = 180 - 55

B is smallest angle at 55 degrees

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Hope this help!!!

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