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Find the measure of FG.

Find the measure of FG.-example-1
User Prajoth
by
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2 Answers

3 votes

Answer:

Choice D, x = 9

User Keith Otto
by
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6 votes

Answer:

Explanation:

EG = EF + FG = 9 + x - 3 = 6 + x

AG = AH + HG = 6 +x - 2 = 4 + x

Intersecting secant theorem,

FG * EG = HG * AG

(x - 3)*(6 +x) = (x -2)(x + 4)

Use Foil method

6x + x² - 18 - 3x = x² + 4x - 2x - 8

x² + 3x - 18 = x² + 2x - 8

x² - x² + 3x - 2x = -8 + 18

x = 10