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What is the value of x?
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What is the value of x?

What is the value of x?-example-1
User Trevorade
by
8.4k points

1 Answer

7 votes

Answer:

x = 4

Explanation:

By property of intersecting secants outside of circle.


PC * PA = PB * PD \\ 10(2x + 10) = 9(2x + 3 + 9) \\ 20x + 100 = 18x + 108 \\ 20x - 18x = 108 - 100 \\ 2x = 8 \\ x = (8)/(2) \\ \huge \red{ \boxed{ x = 4}}

User Dan Kennedy
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