Math, asked by sushilrawat5233, 1 year ago

The diameter of circular field is 14m. Find the cost of fencing the field with barbed wire if the cost of 1m wire is rs.7.50

Answers

Answered by pradeep6953
26

diameter = twice of radius so r=7 perimeter of circle is 2πr 2×7×22÷7=44. cost of 1m wire is RS 7.5 and cost of 44m is 44×7=rs330

Answered by kaku9783
12

diameter=14m

radius =7m

perimeter of circle=2πr

=2×22/7 ×14

=2×22×2

=4×22

=88m

cost of fencing 1m=rs.7.50

cost of fencing 88m= 7.50×88

=rs.660

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