3 years ago

Part B is easy I just need part A

Mathematics

1 answer:

lions [1.4K]3 years ago

3 0

Answer:

80 feet

Step-by-step explanation:

According to the tangent-secant theorem, the square of the tangent length is equal to the product of the secant segment and the external portion.

In other words:

30² = (10 + x) (10)

900 = 100 + 10x

800 = 10x

x = 80

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