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

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

65.5 %

39.5 %

34.5 %

31.5 %

65.5 %

39.5 %

34.5 %

31.5 %

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Area Problems
A rectangle has 15 cm as its length and 150 cm 2 as its area .Its area is increased to 1 1 / 3 times the original area by increasing only its length . Its new perimeter is?

60 cm

80 cm

50 cm

70 cm

60 cm

80 cm

50 cm

70 cm

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Area Problems
The area of circle inscribed in an equilateral triangle is 462 cm . The perimeter of the triangle is?

126 cms

72.6 cms

42 ? 3 cms

168 cms

126 cms

72.6 cms

42 ? 3 cms

168 cms

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Area Problems
The area of a right angled triangle is 10 sq cm. If its perpendicular is equal to 20 cm, find its base.

1 cm

2 cm

3 cm

4 cm

1 cm

2 cm

3 cm

4 cm

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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?

7958 sq m

Cannot be determined

8842 sq m

9856 sq m

7958 sq m

Cannot be determined

8842 sq m

9856 sq m

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Area Problems
The ratio between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length, the perimeters of the field is?

260 m

280 m

360 m

none of these

260 m

280 m

360 m

none of these

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Area Problems

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 A rectangle has 15 cm as its length and 150 cm 2 as its area .Its area is increased to 1 1 / 3 times the original area by increasing only its length . Its new perimeter is?

Area Problems The area of circle inscribed in an equilateral triangle is 462 cm . The perimeter of the triangle is?

Area Problems The area of a right angled triangle is 10 sq cm. If its perpendicular is equal to 20 cm, find its base.

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 between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length, the perimeters of the field 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
A rectangle has 15 cm as its length and 150 cm 2 as its area .Its area is increased to 1 1 / 3 times the original area by increasing only its length . Its new perimeter is?

Area Problems
The area of circle inscribed in an equilateral triangle is 462 cm . The perimeter of the triangle is?

Area Problems
The area of a right angled triangle is 10 sq cm. If its perpendicular is equal to 20 cm, find its base.

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 between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length, the perimeters of the field is?