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What is XY? in meters

1 Answer

May 14, 2018

#color(blue)(20 "metres")#

Explanation:

The product of the segments #UX and XY# on the secant line #UY# equal the square on the tangent line #UV#

#:.#

#UX*XY=(UV)^2#

#5*XY=10^2#

#XY=100/5=20#

#XY# is 20 metres.

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