Question

find the area of a square if it is made from a rectangular wire of 20 cm wide and 30cm​

Answer 1

Step-by-step explanation:

Given A wire is in shape of rectangle 

where

length=20 cm. 

breadth=12 cm.

Perimeter of rectangle =2(l+b)

=2(32)

[Perimeter =64 cm.]

now of wire is bent in shape of square

where side =a cm

now 

Perimeter of rectangle = perimeter of square  

64=4a

[a=16cm]

side of square formed is 16 cm.