In a circle of radius 21 cm an arc subtends an angle of 72° at the centre. The length of the arc is?

Area Problems
In a circle of radius 21 cm an arc subtends an angle of 72° at the centre. The length of the arc is?

21.6 cm

13.2 cm

26.4 cm

19.8 cm

21.6 cm

13.2 cm

26.4 cm

19.8 cm

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Area Problems
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

307200

15360

30720

153600

307200

15360

30720

153600

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Area Problems
The length of a rectangular field is increased by 60 % . By what percent would the width have to be decreased to maintain the same area?

75%

371/2%

120%

60%

75%

371/2%

120%

60%

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Area Problems
Diagonals of a rhombus area 1 m and 1.5 m in lengths. The area of the rhombus is

0.75 m2

0.375 m2

1.5 m2

0.75 m2

0.375 m2

1.5 m2

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Area Problems
If the circumference of a circle is the 352 meters, then its area in m square is?

8956

6589

5986

9856

8956

6589

5986

9856

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Area Problems
The radius of a circle is so increased that its circumference increased by 5%. The area of the circle, then increases by

10.25%

11.25%

10.5 %

12.5%

10.25%

11.25%

10.5 %

12.5%

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Area Problems

Area Problems In a circle of radius 21 cm an arc subtends an angle of 72° at the centre. The length of the arc is?

Area Problems The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

Area Problems The length of a rectangular field is increased by 60 % . By what percent would the width have to be decreased to maintain the same area?

Area Problems Diagonals of a rhombus area 1 m and 1.5 m in lengths. The area of the rhombus is

Area Problems If the circumference of a circle is the 352 meters, then its area in m square is?

Area Problems The radius of a circle is so increased that its circumference increased by 5%. The area of the circle, then increases by

Area Problems
In a circle of radius 21 cm an arc subtends an angle of 72° at the centre. The length of the arc is?

Area Problems
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

Area Problems
The length of a rectangular field is increased by 60 % . By what percent would the width have to be decreased to maintain the same area?

Area Problems
Diagonals of a rhombus area 1 m and 1.5 m in lengths. The area of the rhombus is

Area Problems
If the circumference of a circle is the 352 meters, then its area in m square is?

Area Problems
The radius of a circle is so increased that its circumference increased by 5%. The area of the circle, then increases by