Question

A
wire bent in the shape of a rectangle with
sides 12 cm and 10 cm is straightened out and
bent in the shape of a circle. Find the radius
and area of the circle.​

Answer 1

Answer:

16 cm

Step-by-step explanation:

length=20 cm.  

breadth=12 cm.

Perimeter of rectangle =2 x (l+b)

=2 x (32)

[Perimeter =64 cm.]

wire is bent in shape of circle

where side =a cm

Perimeter of rectangle = perimeter of square  

64=4a

[a=16cm]

side of square formed is 16 cm.

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