Question

a wire is in the form of square of side 27.5 cm It is straightened and bent into the shape of circle find the area of the circle

Answer 1

Answer:

ANSWER

The perimeter of square = length of wire

⇒ length of wire =4× 27.5=110 cm

Now, a circumference of circle = length of wire

⇒2πr=110cm

⇒r=

44

110×7

=17.5cm

Radius of circle =17.5 cm