Problem 505

 

 

ABCD is a trapezoid. If AC is equal to 8x – 3 and BD is equal to 2x + 9, find the value of x so that ABCD is isosceles.

505

Solution:-

8x – 3 = 2x + 9

8x – 2x = 9 + 3

6x = 12

x = 2

 

 

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