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Mathematics 7 Online
OpenStudy (anonymous):

Medal rewarded Picture: http://prntscr.com/39s6wa Directions: Find the value of each variable using the given chord, secant, and tangent lengths. If the answer is not a whole number, round to the nearest tenth.

OpenStudy (anonymous):

@ranga

OpenStudy (nikato):

Use two secant power theorem to find x So 7(7+15)= 5(5+x) Solve for x

OpenStudy (anonymous):

x=25.8

OpenStudy (nikato):

Correct. And for y, assuming that's a tangent line You use the tangent theorem power So y^2= 5(5+25.8)

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