Q2 of 31 Page 178

The circumference of a wheel is 44 m. find the area of the circle.

Given that circumference of the circle = 44 m


We know that circumference of the circle = 2πr



⇒ r = 7 m


Also, the area of a circle = πr2



More from this chapter

All 31 →
1

The radius of a circle is 3.5 cm. Find the circumference and area of the circle.

 3

The radius of a semicircular plot is 21 m. Find its area and perimeter.

 4

A scooter wheel makes 100 revolutions in covering a distance of 88 m. Find the radius of the wheel.

 5

The area of a circular plate is 154 cm2. Find its circumference.