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Find the radius of the circle

help is VERY appreciated!!​

Find the radius of the circle help is VERY appreciated!!​-example-1

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Answer:

17/16 =x

Explanation:

The triangle is a right triangle so we can use Pythagorean theorem

a^2+b^2 = c^2

x^2 + 9^2 = (x+8)^2

FOIL

x^2+81=x^2+16x+64

Subtract x^2 from each side

81 = 16x+64

Subtract 64 from each side

81 -64 = 16x+64-64

17 =16x

Divide by 16

17/16 =x

User Ciferkey
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