EASY
9th Chhattisgarh Board
IMPORTANT
Earn 100

Area of a sector is 1540 sq cm, it subtends an angle of 50° at the centre of the circle. Find the radius of the circle.

Important Questions on Sector of a Circle & Length of Arc

EASY
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 1
Find the circumference of the circle, whose radius is 17.5 cm.
EASY
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 2
Find the area of the circle, whose radius is 4.2 cm.
EASY
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 3
A horse is tied by a 14 meter long rope in a ground. What is the area of the ground, that the horse can graze, if he can move up to the full length of rope?
EASY
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 4
Radius of a bicycle wheel is 35 cm. How much distance will it cover in 500 complete rotations?
EASY
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 5
Radius of a circle is 3 meter, what would be the radius of a circle whose area is 9 times the area of the first circle?
EASY
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 6

Inner circumference of a circular path is 440 m. Width of the path is 14 m. Find diameter of the outer circle of the circular path.

EASY
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 7
A circular ground of radius 50 meter is surrounded by a 5 meter wide road. You want to cover the road with tile. Find the total cost of tiling if the rate of tiling per square meter is 30 rupees.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Mathematics Class - 9>Chapter 14 - Sector of a Circle & Length of Arc>Exercise>Q 8
You are given a sector which subtends an angle of 70° at the centre of the circle with radius 21 cm. Find the length of the arc and area of the given sector.