Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.

Area Problems
Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.

76m

56m

14m

16m

76m

56m

14m

16m

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clearly the cow will graze a circular field of area 9856 sq m and radius equal to the length of the rope.
Let the length of the rope be r mts then,
$r^{2}$ = 9856
$r^{2}$ = (9856 × 7) / 22 = 3136
r = 56 m

Area Problems
If the sides of a rectangle are increased by 5%, find the percentage increase in its diagonals.

6%

9%

4%

5%

6%

9%

4%

5%

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Area Problems
The lengths of three line segments (in cm) are given in each of the four cases. Which one of the following cases is not suitable to be the three sides of a triangle?

3, 4, 5

2, 3, 4

2, 4, 5

2, 3, 5

3, 4, 5

2, 3, 4

2, 4, 5

2, 3, 5

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Area Problems
The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field?

40 m

30 m

20 m

50 m

40 m

30 m

20 m

50 m

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

18°

36°

40°

54°

18°

36°

40°

54°

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Area Problems
The length and breadth of a rectangular piece of land are in the ratio of 5:3, the owner spent Rs.3000 for surrounding it from all the sides at Rs.7.50 per meter. The different between its length and breadth is?

100 m

50 m

200 m

150 m

100 m

50 m

200 m

150 m

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Area Problems

Area Problems Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.

Area Problems If the sides of a rectangle are increased by 5%, find the percentage increase in its diagonals.

Area Problems The lengths of three line segments (in cm) are given in each of the four cases. Which one of the following cases is not suitable to be the three sides of a triangle?

Area Problems The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field?

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

Area Problems The length and breadth of a rectangular piece of land are in the ratio of 5:3, the owner spent Rs.3000 for surrounding it from all the sides at Rs.7.50 per meter. The different between its length and breadth is?

Area Problems
Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.

Area Problems
If the sides of a rectangle are increased by 5%, find the percentage increase in its diagonals.

Area Problems
The lengths of three line segments (in cm) are given in each of the four cases. Which one of the following cases is not suitable to be the three sides of a triangle?

Area Problems
The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field?

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

Area Problems
The length and breadth of a rectangular piece of land are in the ratio of 5:3, the owner spent Rs.3000 for surrounding it from all the sides at Rs.7.50 per meter. The different between its length and breadth is?