Question

a farmer has a square field both sides 50 m to cross paths each 5 m wide I to be constructed parallel to the sides passing through the center of the field calcute
1.area of the field
2.area of the cross path
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Answer 1

Answer:

hope this helps u

the area of paths was already calculated while I was finding the area of the field

we subtract 25 cause we have already included that arae when we were calculating the arae of one path

Answer 2

Answer:

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Two cross roads, each of width 5 m, run at the right angles through the centre of a rectangular park of length 70 m and breadth 45 m and parallel to its sides. Find the area of the roads. Also find the cost of constructing the roads at the rate of Rs.105 per m

2

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Easy

Solution

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width =5 m

length of first parallel road 70 m

area of first road 70×5=350 sq.m

length of second road 45 m

area of second road =45×5=225 sq.m

area of the common part of cross road with 5 m width that lies at the

center of the park 5×5 = 225 sq.m

area of roads = area of first road +area of second cross road−common area

=(350+225)−25

=575−25

=550sqm

cost of the construction per sq.m =Rs.105

total cost =550×105=Rs 57750