Question

a wire is in the form of a square of side 11 cm is bent into a circle find the area of the circle​

Answer 1

hello frnd!

here's ur answer...

perimeter of square=circumference of circle

perimeter of square=side×4

=11×4

=44cm

therefore circumference of the circle will also be 44cm

2πr=44cm

2×22/7×r=44cm

44/7×r=44cm

r=44/1×7/44

r=7cm

area of the circle=πr²

=22/7×7×7

=22×7

=154cm²

hope this helps...

:)

Answer 2

Answer: 9.625 CM SQUARED

Step-by-step explanation:

GIVEN : PERIMETER OF SQUARE IS : 11 CM

THEREFORE, WE CAN SAY THAT CIRCUMFERENCE OF CIRCLE IS : 11 CM

FORMULA OF CIRCUMFERENCE : 2πr

THEREFORE, 2 * 22/ 7 * R : 11 CM

RADIUS : 11 * 7 / 22 * 2

= 77 / 44

THEREFORE, RADIUS IS 77 / 44, WHICH IS 1.75

AREA OF CIRCLE : πr2

= 22/7 * 1.75 * 1.75

= 22/7 * 3.0625

= 9.625 CM SQUARED

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