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Please help! i’m stuck

Please help! i’m stuck-example-1
User Maweeras
by
8.8k points

1 Answer

3 votes

Answer:

CD = 12.

Explanation:

By the tangent-secant theorem:

AB^2 = AC * AD

8^2 = 4 * AD

AD = 64/4 = 16

Finally CD = AD - 4 = 12.

User Shelper
by
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