a park is in the shape of a circle and a person walking on the boundary covers a distance of 440 m in one round . find the diameter of the park and also the cost of covering it with gravel at the rate of rupees 225 per m sq.
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Answered by
33
The diameter of the park is 140 meter.
And cost of covering it with gravel is Rs.3465000.
And cost of covering it with gravel is Rs.3465000.
Answered by
47
circumference of park = 440 m
2 x pie x r =440
r = 70 m
diameter = 140 m
area = pie x r^2
= 220 m sq.
cost of covering gravel at 1 m sq. = 225 rupees
cost of covering gravel at 220 m sq. = 220 x 225
=49500 rupees
2 x pie x r =440
r = 70 m
diameter = 140 m
area = pie x r^2
= 220 m sq.
cost of covering gravel at 1 m sq. = 225 rupees
cost of covering gravel at 220 m sq. = 220 x 225
=49500 rupees
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