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Need help since I failed my exam.​

Need help since I failed my exam.​-example-1

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Answer:

11.2 inches.

Explanation:

Applying the tangent/secant theorem:

9^2 = 5(y + 5)

5y + 25 = 81

5y = 56

y = 11.2 in.

User Keith Coughtrey
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