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3 votes
Which equation could be used to solve problems involving the relationships between the angles?

A) (12 + a) + (7a + 12) = 90
B) 90 + (12 + a) = (7a + 12)
C) (12 + a) − (7a + 12) = 90
D) (7a + 12) − 90 = (12 + a)

User Anpel
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4.8k points

1 Answer

6 votes

Answer:

c

Explanation:

C) (12 + a) − (7a + 12) = 90

User Mnemonic
by
5.4k points
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