Question

The breath of rectangle is 3 cm and its area is 21 cm square what is the perimetere of rectangle

Answer 1

Answer:

b=3cm

Area=21cm^2

Length =?

Length * breadth =area

length * 3=21

length=21/3

Length=7cm

Perimeter =2(length + breadth)

P=2(7+3)

P=2*10

P=20cm

Hope this helps you