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Find The Height Of The Trapezium (Important Concept)

Sujoy Das
06/02/2018 0 0

Question:

 

                             

 

Solution:

Concept = if a cicrcle is inscribed, sum of parallel sides= sum of non parallel sides.

x, 4x.

So each of non parallel sides = 5x/2

So 10x =  60, x = 6. parallel sides = 6, 24. non parallel = 15,15.

So height = root (225-81) = 12

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