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Quadrialteral RSTU is circumscribed about J.  If the perimeter is 18 units, find the value of x.

 

 Apr 20, 2020
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Since TA and TB are tangents from the same point, TA = TB = x.

Since BU and UC are tangents from the same point, BU = UC = x.

Since CR and RD are tangents from the same point, CR = RD = 3.

Since SD and SA are tangents from the same point, SD = SA = 3.

 

TA + TB + BU + UC + CR + RD + SD + SA  =  18

   x + x   +    x + x     +    3 + 3     +   3 + 3     =  18

 

Can you finish this?

 Apr 20, 2020

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