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What is the area of triangle ABC?

 

 Sep 26, 2020
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First find value of x

8x-4 = 5x+11

x = 5

Then find height of isoc triangle

36^2 - 9^2 -= h^2   h = 34.856

area  then = 1/2 base X height

                     1/2  18 x 34.856 = ........ units 2

 Sep 26, 2020

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