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What is the supplement of ∠A if m∠A = 78°?

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What is the supplement of ∠A if m∠A = 78°?

asked Apr 4, 2021 216k views

1 vote

What is the supplement of ∠A if m∠A = 78°?

Mathematics
high-school

by Yathi

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2 Answers

1 vote

Answer:

102

Explanation:

Bernard answered Apr 5, 2021

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7 votes

Answer:

The supplement is 102

Explanation:

Supplementary angles add to 180 degrees

Let x be the supplement

x+ 78 = 180

subtract 78 from each side

x+78-78 = 180-78

x = 102

LucaA answered Apr 10, 2021

by LucaA

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