Question

if one side of rectangle increased by 20%other side increasesd by 10% find out the % of area

Answer 1

let area = 100m

side = √100
side = 10

Perimeter = 4×10
=40m

New area = 100+44
= 144m

side = √144
side = 12m

Perimeter = 4×12
= 48 m

increase % = 8/40×100
= 20%