The sides of wall are 15m ;11m; 6m .find the area painted in colour – InterviewSolution

1.

The sides of wall are 15m ;11m; 6m .find the area painted in colour

Answer»

Answer:20root2

Step-by-step explanation:

It is a triangle because 3 sides are given.

so area = $\sqrt{s(s-a}(s-b)(s-c)$

so s =16

area = ROOT (16*1*5*10)

= $20\sqrt{2\\}$

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