Question

119
ent
11. If the side of a square is increased by 50%, find the per cent increase in its area.
12. The sides of a rectangular park are in the ratio of 3 : 2 and its area is 3750 m2. Find the cost of
fencing the park at the rate of 50 paisa per metre.
1.5 m
2 m
13. Find the area of the paths in the
following figures :
219 m
2m
120 m
1.5 m
2m
9 m
1.5 m
2 m
1.5 m
12 m
Fig. 15.17
4. A piece of land is 300 m long and 200 m wide. Outside it has a road all around it of uniform width
of 10 m. Find the area of the road and the cost of levelling it at * 1.50 per square metre.​

Answer 1

Answer:

answer acha bada milega

Explanation:

119

ent

11. If the side of a square is increased by 50%, find the per cent increase in its area.

12. The sides of a rectangular park are in the ratio of 3 : 2 and its area is 3750 m2. Find the cost of

fencing the park at the rate of 50 paisa per metre.

1.5 m

2 m

13. Find the area of the paths in the

following figures :

219 m

2m

120 m

1.5 m

2m

9 m

1.5 m

2 m

1.5 m

12 m

Fig. 15.17

4. A piece of land is 300 m long and 200 m wide. Outside it has a road all around it of uniform width

1. of 10 m. Find the area of the road and the cost of levelling it at * 1.50 per square metre.
2. $y1$