plz solve que no 2 and 3 step wise
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hey mate here is a solution of ur question.
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jagdish1581:
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plz solve next que
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qs 2) It is in image.
Qs 3) Inner circumference = 2πr
220 = 2 * 22/7 * r
220/2 = 22/7 * r
110 = 22/7 * r
110 * 7/22 = r
35 = r
outer radius = R = r + width
R = 35 + 14
= 49 m
outer circumference = 2πR
=2 * 22/7 * 49
= 308 m
Cost of fencing = 20 * 308
= Rs 6160
Qs 3) Inner circumference = 2πr
220 = 2 * 22/7 * r
220/2 = 22/7 * r
110 = 22/7 * r
110 * 7/22 = r
35 = r
outer radius = R = r + width
R = 35 + 14
= 49 m
outer circumference = 2πR
=2 * 22/7 * 49
= 308 m
Cost of fencing = 20 * 308
= Rs 6160
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