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2 years ago

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What is the value of a+b? A) 110 B) 125 C) 135 D) 145 Please help!!!!

1 answer:

timofeeve [1]2 years ago

5 0

To find a you divide 90 by 2 which equals 45. So a=45
A circle has 360 degrees. So you add 90 and 110 together and get 200 degrees. So to find the rest you subtract 200 from 360.

360-200=160 degrees.

To find b we divide 160 by 2 and that equals 80. So b=80.

a+b=45+80=125.

The answer is B

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