solbe question no 8,9
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first we have to find the areas of the path and the grass fields.
total area= 55*35= 1925sq.m
to calculate area of paths.. add all the 3 individual areas of paths and substract the intersection parts as they will be counted twice when u add.
so area of the path= (35*2)+(35*2)+(55*2)-(2*2)-(2*2) = 242sq.m
given cost of paving 1sq.m is 65re.
so cost of paving path = 242*65= 15730rs.
for question 9.
area of field =1925-242= 1683sq.m
cost per sqm to lay fresh grass is 8
so total cost to lay grass = 1683*8=13464rs
total area= 55*35= 1925sq.m
to calculate area of paths.. add all the 3 individual areas of paths and substract the intersection parts as they will be counted twice when u add.
so area of the path= (35*2)+(35*2)+(55*2)-(2*2)-(2*2) = 242sq.m
given cost of paving 1sq.m is 65re.
so cost of paving path = 242*65= 15730rs.
for question 9.
area of field =1925-242= 1683sq.m
cost per sqm to lay fresh grass is 8
so total cost to lay grass = 1683*8=13464rs
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