Q1 of 9 Page 234

A wire is looped in the form a circle of radius 28 cm. It is rebent to form a square. Determine the length of the square?

Given, radius of circle = r = 28cm


Let the side of the square be a cm


Circumference of circle = perimeter of square


2π r = 4a



⇒ 44 × 4 = 4 a


a = 44 cm.


More from this chapter

All 9 →
2

The diameter of a bicycle wheel is 28 cm. what distance will it cover in 100 revolutions?

 3

The diameter of a wheel is 1.26 m. The distance covered in 500 revolutions is

 4

From a square metal sheet of side 28 cm, a circular sheet is cut off. Find the radius of the largest possible circular sheet that can be cut. Also, find the area of the remaining sheet.

 5

The radius of a circular region is 63 cm. Find the least length of rope which is sufficient to encircle the circular region.