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Tangent WZ and secant WV intersect at point W. Find the value of X. If necessary, round to the hundredths place.
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Tangent WZ and secant WV intersect at point W. Find the value of X. If necessary, round to the hundredths place.

Tangent WZ and secant WV intersect at point W. Find the value of X. If necessary, round-example-1
User ELTA
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1 Answer

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For the above figure, the formula is,

x² = WY (YV + WY)

WY = 5
YV = 12

Substituting in the above formula,

x² = 5 x (12 + 5)
x² = 5 x 17 = 85
x² = 85
⇒ x = √85 = 9.21954 = 9.220
User Jayp
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