Question

A piece of wire in the form of a rectangle with dimensions 12 m
by 10 m is bent to form a circle. Find the diameter of the circle :​

Answer 1

perimeter of rectangle = 44 m.

and, perimeter of rectangle = circumference of circle..

Therefore,

circumference of circle = 44 m...

now let radius be "r"...

so, 2πr = 44 m...

r = (44×7)/2×22

r = 7 m....

therefore, diameter = 2r= 2×7 = 14m.....

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Answer 2

Answer:-

14 m.

Step-by-Step Explanation:-

Length of rectangle= 12 m.

Breadth of rectangle= 10 m.

Perimeter of rectangle= Circumference of circle

Perimeter of rectangle= 2×(l+b)

= 2×(12+10)m

=44m.

Circumference of circle= 44m. I.e. 2×22/7×r

A/Q

2×22/7×r= 44m.

22/7×r= 22m.

r. = 22× 7/22

= 7 m.

Radius= 7 m. i. e. d/2

Diameter= 14 m.

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