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I don't know how can i find soln of question 30................................

I don't know how can i find soln of question 30................................

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1 Answers

Nikhil Chouti
27 Points
2 years ago
Given lenghts of sides are 25cm,60cm,60cm,75cm
Indian mathematician Brahmagupta had given the formula ‘’ root over (s-a)(s-b)(s-c)(s-d) where s=a+b+c+d/2
so now s=25+60+60+75/2=110
area of quadrilateral
= root over (110-25)(110-60)(110-60)(110-75)
= root over (85)(50)(50)(35)
=root over 7437500
=2727.18 approximately.
 
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