Question

Find % increase in the area of a triangle if each side is increased by n times

Answer 1

let the side be x

now a/q ,

x+n each side becomes

than , area of ∆ = 1/2 *b*h
area = 1/2 * x+n* x+n
area = (x+n)²/2

area = x²+n²+2xn/2=

hope it helps !!!