If the radius of a circle be reduced by 50%. Its area is reduced by?

Area Problems
If the radius of a circle be reduced by 50%. Its area is reduced by?

31.5%

39.5%

34.5%

65.5%

31.5%

39.5%

34.5%

65.5%

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Area Problems
A man riding a bicycle, completes one lap of a circular field along its circumference at the speed of 14.4 km/h in 1 min 28 s. What is the area of the field?

8842 sq m

7958 sq m

9856 sq m

Cannot be determined

8842 sq m

7958 sq m

9856 sq m

Cannot be determined

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Area Problems
The ratio of the area of square of side a and equilateral triangle of side a is?

2 :1

2 : ?3

4 :3

4 : ?3

2 :1

2 : ?3

4 :3

4 : ?3

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Area Problems
The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is?

34.5 %

39.5 %

31.5 %

65.5 %

34.5 %

39.5 %

31.5 %

65.5 %

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Area Problems
Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is

1.767

1.867

1.567

1.967

1.767

1.867

1.567

1.967

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Area Problems
The base of right-angled triangle is 5 meters and hypotenuse is 13 meters . Its area will be?

None of these

30m2

28 m2

25m2

None of these

30m2

28 m2

25m2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Area Problems

Area Problems If the radius of a circle be reduced by 50%. Its area is reduced by?

Area Problems A man riding a bicycle, completes one lap of a circular field along its circumference at the speed of 14.4 km/h in 1 min 28 s. What is the area of the field?

Area Problems The ratio of the area of square of side a and equilateral triangle of side a is?

Area Problems The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is?

Area Problems Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is

Area Problems The base of right-angled triangle is 5 meters and hypotenuse is 13 meters . Its area will be?

Area Problems
If the radius of a circle be reduced by 50%. Its area is reduced by?

Area Problems
A man riding a bicycle, completes one lap of a circular field along its circumference at the speed of 14.4 km/h in 1 min 28 s. What is the area of the field?

Area Problems
The ratio of the area of square of side a and equilateral triangle of side a is?

Area Problems
The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is?

Area Problems
Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is

Area Problems
The base of right-angled triangle is 5 meters and hypotenuse is 13 meters . Its area will be?