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Mathematics, 25.02.2021 03:40 kkqueen01
Which equation could be used to solve problems involving the relationships between the angles?
A) 90+(8a+9)=(11+2a)
B) 90-(8a+9)=(11+2a)
C) (11+2a)-90=(8a+9)
D) (8a+9)-(11+2a)=90
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Which equation could be used to solve problems involving the relationships between the angles?
A) 9...
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