3 years ago

The question is below the screen

Mathematics

1 answer:

sesenic [268]3 years ago

4 0

9514 1404 393

Answer:

x = 12

Step-by-step explanation:

The square of the length of the tangent segment is equal to the product of lengths from the external common point to the two circle intersections of the secant.

x^2 = (2)(70+2)

x^2 = 144

x = √144

x = 12

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