Solution - Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle

Account
Register

Share

Books Shortlist
ConceptProblems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle

Question

A car has wheels which are 80 cm in diameter. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour ?

Solution

You need to to view the solution
Is there an error in this question or solution?

Similar questions VIEW ALL

In Fig. 2, a circle is inscribed in a ΔABC, such that it touches the sides AB, BC and CA at points D, E and F respectively. If the lengths of sides AB, BC and CA and 12 cm, 8 cm and 10 cm respectively, find the lengths of AD, BE and CF.

view solution

An elastic belt is placed around the rim of a pulley of radius 5 cm. (Fig. 10) From one point C on the belt, the elastic belt is pulled directly away from the centre O of the pulley until it is at P, 10 cm from the point O. Find the length of the belt that is still in contact with the pulley. Also find the shaded area (use π = 3.14 and sqrt3=1.73)

view solution

An arc of a circle is of length 5π cm and the sector it bounds has an area of 20 π cm2. Find the radius of the circle.

view solution

A pendulum swings through an angle of 30º and describes an arc 8.8 cm in length. Find the length of the pendulum.

view solution

The inner circumference of a circular track is 220 m. The track is 7m wide everywhere. Calculate the cost of putting up a fence along the outer circle at the rate of j – 2 per metre. (Use π = 22/7)

view solution

Reference Material

Solution for concept: Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle. For the course 8th-10th CBSE
S