Question

A wire can be bent in the form of a circle of radius 56cm. If it is bent in the form of a square then its area will be

Answer 1

Given: the wire is bent in the form of circle of radius 56cm.
Circumference of the wire
$= 2 \times \pi \times r \\ = 2 \times \frac{22}{7} \times 56 \\ = 2 \times 22 \times 8 \\ = 352 \: cm$
Therefore the length of the wire is 352 cm.
Again it is bent in the form of square. Since the length of the wire will be same,
the perimeter of wire in the form of square= 352 cm.
$perimeter \: of \: square = 4 \times side \\ 352 = 4 \times side \\ \frac{352}{4} = side \\ side = 88 \: cm$

Now
area of the square= side×side
= 88×88
=7744 sq.cm

Answer 2

Answer:

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