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%

65.5%

34.5%

31.5%

39.5%

65.5%

34.5%

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Area Problems
The diagonal of a rectangle is √41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:

41 cm

20 cm

18 cm

9 cm

41 cm

20 cm

18 cm

9 cm

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Area Problems
Angles of a quadrilateral are in the ratio 3 : 4 : 5 : 8. The smallest angle is

36°

18°

40°

54°

36°

18°

40°

54°

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Area Problems
A polygon has 44 diagonals the number of its sides is?

11

12

9

10

11

12

9

10

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Area Problems
The area of a square is equal to the area of a rectangle. The length of the rectangle is 5 cm more than a side of the square and its breadth is 3 cm less than the side of the square. What is the perimeter of the rectangle ?

18 cm

15 cm

34 cm

26 cm

18 cm

15 cm

34 cm

26 cm

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Area Problems
The radius of the wheel of a vehicle is 70 cm. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is?

32.72 km/hr.

36.25 km/hr.

29.46 km/hr.

31.68 km/hr.

32.72 km/hr.

36.25 km/hr.

29.46 km/hr.

31.68 km/hr.

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Area Problems

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

Area Problems The diagonal of a rectangle is √41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:

Area Problems Angles of a quadrilateral are in the ratio 3 : 4 : 5 : 8. The smallest angle is

Area Problems A polygon has 44 diagonals the number of its sides is?

Area Problems The area of a square is equal to the area of a rectangle. The length of the rectangle is 5 cm more than a side of the square and its breadth is 3 cm less than the side of the square. What is the perimeter of the rectangle ?

Area Problems The radius of the wheel of a vehicle is 70 cm. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is?

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

Area Problems
The diagonal of a rectangle is √41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:

Area Problems
Angles of a quadrilateral are in the ratio 3 : 4 : 5 : 8. The smallest angle is

Area Problems
A polygon has 44 diagonals the number of its sides is?

Area Problems
The area of a square is equal to the area of a rectangle. The length of the rectangle is 5 cm more than a side of the square and its breadth is 3 cm less than the side of the square. What is the perimeter of the rectangle ?

Area Problems
The radius of the wheel of a vehicle is 70 cm. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is?