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Exercise 19.1 and the cost of planting grass in it at \( ? 20 \) per \( \mathrm{m}^{2} \) 2. Find the area of a square, whose perimeter and area are in the ratio \( 1: 2 \) 3. The cost of fencing a square field at \( ? 14 \) per metre is 288000 . Find the area of the feld. find the cost of reaping the field at \( ? 15 \) perd are in the ratio 30 : 2 . If the perimeter of the field is 280 a 5. The breadth of a rectangular field is twice its length. If the area of the field is 1058 mi , frod the cont of fencing it at ?35 per m. 6. The length and breadth of a rectangle is 9 m and 7 m respectively. If the perimeter of a squme is as perimeter of rectangle, find the area of the square. 7. A hall is of length 30 m and breadth 20 m . It is surrounded by a 3 m wide verendeh on the cuabide Find the area of the verandah. Also find the number of tiles of dimensions \( 50 \mathrm{~cm} \times 50 \mathrm{~cm} \) which will be required to cover the verandah. 8. A triangular field is of base 24 m and height 15 m . Find the cost of laying grass inside the feld a \( ? 15 \) per square metre. 9. Find the area of the following triangles. Here, \( b \) is base and \( h \) is the height in each case a) b) c) 10. The ratio of base to height of a triangular field is \( 3: 1 \). If the cost of cultivating the feld at \( ? 28 \) per sq. m is \( ? 9450 \), find its base and height. 11. The base of a triangular field is 840 m and its altitude is 550 m . Find the cost of reaping the feld st the rate of ? 2500 per hectare.

          Exercise 19.1 and the cost of planting grass in it at \( ? 20 \) per \( \mathrm{m}^{2} \)
2. Find the area of a square, whose perimeter and area are in the ratio \( 1: 2 \)
3. The cost of fencing a square field at \( ? 14 \) per metre is 288000 . Find the area of the feld. find the cost of reaping the field at \( ? 15 \) perd are in the ratio 30 : 2 . If the perimeter of the field is 280 a
5. The breadth of a rectangular field is twice its length. If the area of the field is 1058 mi , frod the cont of fencing it at ?35 per m.
6. The length and breadth of a rectangle is 9 m and 7 m respectively. If the perimeter of a squme is as perimeter of rectangle, find the area of the square.
7. A hall is of length 30 m and breadth 20 m . It is surrounded by a 3 m wide verendeh on the cuabide Find the area of the verandah. Also find the number of tiles of dimensions \( 50 \mathrm{~cm} \times 50 \mathrm{~cm} \) which will be required to cover the verandah.
8. A triangular field is of base 24 m and height 15 m . Find the cost of laying grass inside the feld a \( ? 15 \) per square metre.
9. Find the area of the following triangles. Here, \( b \) is base and \( h \) is the height in each case
a)
b)
c)
10. The ratio of base to height of a triangular field is \( 3: 1 \). If the cost of cultivating the feld at \( ? 28 \) per sq. m is \( ? 9450 \), find its base and height.
11. The base of a triangular field is 840 m and its altitude is 550 m . Find the cost of reaping the feld st the rate of ? 2500 per hectare.

Exercise 19.1 and the cost of planting grass in it at ? 20 per m^2
2. Find the area of a square, whose perimeter and area are in the ratio 1: 2
3. The cost of fencing a square field at ? 14 per metre is 288000 . Find the area of the feld. find the cost of reaping the field at ? 15 perd are in the ratio 30 : 2 . If the perimeter of the field is 280 a
5. The breadth of a rectangular field is twice its length. If the area of the field is 1058 mi , frod the cont of fencing it at ?35 per m.
6. The length and breadth of a rectangle is 9 m and 7 m respectively. If the perimeter of a squme is as perimeter of rectangle, find the area of the square.
7. A hall is of length 30 m and breadth 20 m . It is surrounded by a 3 m wide verendeh on the cuabide Find the area of the verandah. Also find the number of tiles of dimensions 50 cm× 50 cm which will be required to cover the verandah.
8. A triangular field is of base 24 m and height 15 m . Find the cost of laying grass inside the feld a ? 15 per square metre.
9. Find the area of the following triangles. Here, b is base and h is the height in each case
a)
b)
c)
10. The ratio of base to height of a triangular field is 3: 1. If the cost of cultivating the feld at ? 28 per sq. m is ? 9450, find its base and height.
11. The base of a triangular field is 840 m and its altitude is 550 m . Find the cost of reaping the feld st the rate of ? 2500 per hectare.

Added by Bobby M.

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