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Each side of quadrilateral ABCD is tangent to a circle. If AB = 84, BC = 78 and CD = 73, find DA.

 

 Nov 3, 2020
 #1
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Each side of quadrilateral ABCD is tangent to a circle. If AB = 84, BC = 78 and CD = 73, find DA.

 

DA = 79

 

link::https://web2.0calc.com/questions/pls-help-due-tmrow_7

 Nov 4, 2020
 #2
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Each side of quadrilateral ABCD is tangent to a circle. If AB = 84, BC = 78 and CD = 73, find DA.

 

w + x = 84         x = 84 - w

 

x + y = 78          y = 78 - x          y = 78 - (84 - w)         y = x - 6

 

y + z = 73          z = 73 - y          z = 73 - (x - 6)           z = 79 - x

 

AD = (79 - x) + x = 79

 

 Nov 5, 2020

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