Question

A wire in the form of a square with side 22 cm. It is reshaped and bent into the form of a circle. calculate the area of this circle.class 7 cbse​

Answer 1

Answer:

616cm^2

Step-by-step explanation:

22×4

88

perimeter of circle

2πr

22/7×2×r=88

r=88×7/44

r=14

area of circle

πr^2

22/7×14×14

616cm^2

Answer 2

Answer:484cm sq.

Step-by-step explanation:

First we have to find the area of the square

AREA OF SQUARE = SIDE^2

According to this question

Side of the square is 22 cm

So area is 22×22

Area of the square is 484cm sq.

Since the same wire is bent to form a circle

The area of the circle is also 484cm sq.

Hope it helps!!