Question

P
.
9. The area of a square
of a square field is the same as rectangular field. If the area is 9 hectares
d the length of the rectangular field is 450 m, then find
la) the breadth of the rectangular field.
b) the cost of fencing the square field at * 4.50 per m.
(d the cost of ploughing the rectangular field at 20.50 per m2. ​

Answer 1

Answer:

a)b = 200m

b) total cost for fencing = ₹ 5400

c) total cost of ploughing = ₹1845000

Answer 2

the breadth of the rectangular field = 200 m

Step-by-step explanation:

1 hectare  = 10,000 m²

9 hectare  = 90,000 m²

Area of rectangular field  =  90,000 m²

Length = 450 m

Breadth = 90000/450  = 200 m

the breadth of the rectangular field = 200 m

Perimeter = 2(450 + 200)  = 1300 m

cost of fencing the square field at * 4.50 per m. = 1300 * 4.5   = Rs 5850

cost of ploughing the rectangular field at 20.50 per m² = 90000 * 20.50

= Rs 18,45,000‬

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