Question

find perimeter of a square equal in area of two squares whose sides are12 meteres and 5 meteres respectively?

Answer 1

Side of Square 1=12
Area=12×12
144
Side of Square 2=5
Area =5×5
25
Area of Square 3=Area of Square 1+Area of Square 2
144+25
169
Side =√169
13
Perimeter=4×13
52

Answer 2

given,perimeter = area of square of12 metres side+area of squares of 5metres
area of square of 12metres side=12.12=144
area of square of 5metres side=5.5=25
perimeter=144+25=169=13