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In the figure below, Z is the center of the circle.  Suppose that QR = 20, RV = 10, SV = 2x + 2, and VZ = 7.5  Find the following.

 

 Mar 28, 2021
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2x + 2 = 10

x = 4

UZ = VZ = 7.5

WU = 5

Arc QWR ≈ 106.26º

WZ = YZ = 12.5

Area = 12.52pi

Circumference = 25pi

 Mar 31, 2021
edited by civonamzuk  Mar 31, 2021

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