The inner circumference of a circular track is 132 m. The track is 2.5 m wide everywhere. Calculate the cost of putting up a fence along the outer circle at the rate of Rs 3.50 per metre.
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Step-by-step explanation:
iner circumference =2πr
132=2*π*r
r=21cm.
the outer circle radius =21+2.5=23.5cm.
outer circle circumference =2πr.
=2*π*23.5
=36.9cm
a fence along the outer circle at the rate of rs. 3.50rs.
=36.9×3.50
=129.15rs.
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Answer:
hi ugiruo
Step-by-step explanation:
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