Question

A wire is bent in the form of a square incluses an area of56.25 sq cm find: a.find the length of the wire b.area enclosed c.the same wire bent in circle​

Answer 1

Answer:

Side of the square =

area

=

121

=11 cm

Perimeter of the square = 4×side=44 cm

Therefore, length of the wire = 44 cm

We know,

Circumference of the circle = Length of the wire

Therefore, Circumference of the circle = 44 cm

Let the radius of the circle be r cm.

Then, 2πr=44

2×

7

22

×r=44

r=7 cm

Therefore, area of the circle = πr

2

=

7

22

×49=154 cm

2

.

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