Question

Shazli took a wire of length 44 cm and bent it into the shape of a circle find the radius of that circle . A
lso find its area . If the same wire is bent into the shape of a square , what will be the length of each of its side ? Which figure enclose more area, the circle or the ( take pia is 22/7

Answer 1

These are a lot of questions so let's answer them one by one.
We are given with length of wire that is the circumference of the circle.
So,
2*π*r= 44
2*22/7*r=44
r=(44*7)/(2*22)
r=7cm.
Therefore, radius = 7cm.

Now,
Area of the circle= πr²= 22/7*7*7
Therefore, area = 22*7=154 cm².

Now you know that all sides are equal in a square. So,
side+side+side+side=44
4*side=44
side=44/4=11cm.
So, length of each side = 11cm.

Now the area of square = side*side,
therefore, area = 11*11 = 121cm².


So, finally the circle will enclose more area which is 154 cm² than the square which is 121 cm².


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