Question

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

Answer 1

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)

=$20\sqrt{2\\}$