If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

Area Problems
If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

65%

35%

25%

75%

65%

35%

25%

75%

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Area Problems
A parallelogram has sides 30m and 14m and one of its diagonals is 40m long. Then its area is

236

436

336

136

236

436

336

136

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Area Problems
The two parallel sides of a trapezium are 1 meters and 2 meters respectively . The perpendicular distance between them is 6 meters. The area of the trapezium is?

12 sq. meters .

18 sq. meters .

6 sq. meters .

9 sq. meters .

12 sq. meters .

18 sq. meters .

6 sq. meters .

9 sq. meters .

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Area Problems
The cost of carpeting a room 15 meters long with a carpet 75 cm wide at 30 paisa per meter is Rs. 36. The breadth of the room is?

12 meters

8 meters

9 meters

6 meters

12 meters

8 meters

9 meters

6 meters

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Area Problems
A rectangle has 20 cm as its length and 200 sq cm as its area. If the area is increased by 1 1/ 5 time the original area by increase its length only then the perimeter of the rectangle so formed (in cm) is

72

60

68

64

72

60

68

64

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Area Problems
The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is

4987 sq.m

5100 sq.m

4870 sq.m

4442 sq.m

4987 sq.m

5100 sq.m

4870 sq.m

4442 sq.m

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Area Problems

Area Problems If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

Area Problems A parallelogram has sides 30m and 14m and one of its diagonals is 40m long. Then its area is

Area Problems The two parallel sides of a trapezium are 1 meters and 2 meters respectively . The perpendicular distance between them is 6 meters. The area of the trapezium is?

Area Problems The cost of carpeting a room 15 meters long with a carpet 75 cm wide at 30 paisa per meter is Rs. 36. The breadth of the room is?

Area Problems A rectangle has 20 cm as its length and 200 sq cm as its area. If the area is increased by 1 1/ 5 time the original area by increase its length only then the perimeter of the rectangle so formed (in cm) is

Area Problems The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is

Area Problems
If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

Area Problems
A parallelogram has sides 30m and 14m and one of its diagonals is 40m long. Then its area is

Area Problems
The two parallel sides of a trapezium are 1 meters and 2 meters respectively . The perpendicular distance between them is 6 meters. The area of the trapezium is?

Area Problems
The cost of carpeting a room 15 meters long with a carpet 75 cm wide at 30 paisa per meter is Rs. 36. The breadth of the room is?

Area Problems
A rectangle has 20 cm as its length and 200 sq cm as its area. If the area is increased by 1 1/ 5 time the original area by increase its length only then the perimeter of the rectangle so formed (in cm) is

Area Problems
The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is