Question

Two roads 3m wide have been constructed in the middle of a garden crossing each other at right angles running parallel to the sides of the garden which is 35m long and 25m wide, find the cost of constructing the roads at the rate of rs.80 per square meter.

Answer 1

see the picture given by me

Answer 2

Rs. 13,680 is the total cost of constructing roads.

Step-by-step explanation:

Given that,

Length of the garden = 35m

The breadth of the garden = 25m

Area of the garden = l * b

= 35 * 25

= Rs. 875

Area of Road 1 = l * b

= 3 * 25

= 75m

Area of Road 2 = l * b

= 35 * 3

= 105m

Thus, total area of the road = 75 + 105 - (3 * 3)

= 171 m^2

∵ The total cost of fencing = Total area of road * Rs. 80

= 171 * 80

= Rs. 13,680

Learn more: find the cost of fencing

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