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Let XY be a tangent to a circle, and let XBA be a secant of the circle, as shown below. If AX = 16 and XY = 9, then what is AB?

 

 Dec 25, 2021
 #1
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XB2 = BX * AX

 Dec 25, 2021
 #2
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XY2 = BX * AX

Guest Dec 25, 2021

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