Question

A square has an area of 0.16 square meters.What is the perimeter of the square?

Answer 1

a²=0.16
a=0.4
perimeter =4a=4×0.4=1.6m

Answer 2

A square has an area of 0.16 square meter

Area  = a^2     [a= side of square ]

a =√Area

a = √0.16 =0.4 m

perimeter of the square =4* a =4*0.4 =1.6m Ans