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Does anyone know what is the value of x

Does anyone know what is the value of x
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5 votes
Does anyone know what is the value of x

Does anyone know what is the value of x-example-1
User Beniam
by
7.4k points

1 Answer

3 votes

Answer:

7.5

Explanation:

By intersecting secants theorem:


12(12 - x) = 6(6 + 3) \\ \\ 12(12 - x) = 54 \\ \\ 144 - 12x = 54 \\ \\ 144 - 54 = 12x \\ \\ 90 = 12x \\ \\ x = (90)/(12) \\ \\ x = 7.5

User Eric Hedstrom
by
7.4k points
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