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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