Ans:- A circle is a collection of all those points in a plane, whose distance from a fixed point remains constant.
Problem type-1
1- Find the radius when diameter is 10 cm
2- Find the radius when diameter is 16 cm
3- Find the radius when diameter is 8 cm
4- Find the radius when diameter is 18 cm
5- Find the radius when diameter is 24 cm
Problem type - 2
1- Find the diameter when radius is 5 cm
1- Find the diameter when radius is 8 cm
1- Find the diameter when radius is 2 m
1- Find the diameter when radius is 15 m
1- Find the diameter when radius is 14 cm
Problem type - 3
1- Find the circumference of a circle whose radius is 14 cm
1- Find the circumference of a circle whose radius is 7 cm
1- Find the circumference of a circle whose radius is 10 cm
1- Find the circumference of a circle whose radius is 15 m
1- Find the circumference of a circle whose radius is 21 m
Problem type - 4
1- Find the circumference of a circle whose diameter is 42 cm
1- Find the circumference of a circle whose diameter is 14 m
1- Find the circumference of a circle whose diameter is 28 cm
1- Find the circumference of a circle whose diameter is 12 cm
1- Find the circumference of a circle whose diameter is 8m
Problem type - 5
1- Find the radius of a circle whose circumference is 88 cm
2- Find the radius of a circle whose circumference is 352 cm
3-Find the radius of a circle whose circumference is 220 cm
4-Find the radius of a circle whose circumference is 132 cm
5-Find the radius of a circle whose circumference is 44 cm
Problem type - 6
1- Find the diameter of a circle whose circumference is 88 cm
2- Find the diameter of a circle whose circumference is 352 cm
3-Find the diameter of a circle whose circumference is 220 cm
4-Find the diameter of a circle whose circumference is 132 cm
5-Find the diameter of a circle whose circumference is 44 cm
problem type - 7
1- The diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel 1.65 km?
2- The diameter of the wheel of a cyc;le is 84 cm. How many revolutions will it make to travel 1.32 km?
3- The diameter of the wheel of a toy car is 28 cm. How many revolutions will it make to travel 1.10528 km?
4- The diameter of the wheel of a car is 56 cm. How many revolutions will it make to travel 4.4 km?
5- The diameter of the wheel of a car is 14 cm. How many revolutions will it make to travel 1650 m?
problem type - 8
1- The radius of the wheel of a car is 35 cm. How many revolutions will it make to travel 1.65 km?
2- The radius of the wheel of a cyc;le is 42 cm. How many revolutions will it make to travel 1.32 km?
3- The radius of the wheel of a toy car is 14 cm. How many revolutions will it make to travel 1.10528 km?
4- The radius of the wheel of a car is 28 cm. How many revolutions will it make to travel 4.4 km?
5- The radius of the wheel of a car is 7 cm. How many revolutions will it make to travel 1650 m?
problem type - 9
1- Find the distance covered by the wheel of a car in 500 revolutions if the diameter of the wheel is77 cm.
2- Find the distance covered by the wheel of a car in 750 revolutions if the diameter of the wheel is 28 cm.
3- Find the distance covered by the wheel of a car in 426 revolutions if the diameter of the wheel is 70 cm.
4- Find the distance covered by the wheel of a car in 1000 revolutions if the diameter of the wheel is 42 cm.
5- Find the distance covered by the wheel of a car in 755 revolutions if the diameter of the wheel is 56 cm.
problem type - 10
1- Find the distance covered by the wheel of a car in 660 revolutions if the radius of the wheel is42 cm.
2- Find the distance covered by the wheel of a car in 750 revolutions if the radius of the wheel is 14 cm.
3- Find the distance covered by the wheel of a car in 426 revolutions if the radius of the wheel is 70 cm.
4- Find the distance covered by the wheel of a car in 1000 revolutions if the radius of the wheel is 21 cm.
5- Find the distance covered by the wheel of a car in 755 revolutions if the radius of the wheel is 28 cm.
Problem type-11
1- Find the area of circle when diameter is 14 cm
2- Find the area of circle when diameter is 42 cm
1- Find the area of circle when diameter is 28 cm
1- Find the area of circle when diameter is 56 cm
1- Find the area of circle when diameter is 7 cm
Problem type-12
1- Find the area of circle when radius is 14 cm
2- Find the area of circle when radius is 3.5 cm
3- Find the area of circle when radius is 2.8 cm
4- Find the area of circle when radius is 56 cm
5- Find the area of circle when radius is 7 cm
Problem type-13
1- Find the radius of circle when area is is 24.64 sq cm
2- Find the radius of circle when area is is 616 sq cm
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