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Halman123go
Answered

AD is tangent to circle E at A. BD is a secant intersecting the circle at F and B.

a. Find AD if = 9 and = 3.

b. Find FD if = 10 and = 21​

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Answer:

AD= 3√3

Step-by-step explanation:

Find AD IF BD=9 and FD=3

(AD)²= BD . FD

AD² = 9 . 3

AD² = 27

AD = √27

AD = 3√3

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