For 49 points
NCERT ex.13.3 q no. 8
A bus stop is barricaded from the remaining part of the road by using 50 hollow cones made of recycled cardboard . Each cone has a base diameter of 40 cm and height 1 m is the outer side of each of the cones is to be painted, and the cost of painting is rupees 12 per metre square what will be the cost of painting all these cones . (use π equal to 3.14 and take √1.04 = 1.02 .)
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i done in pdf , i took the screeshort and sending it.
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Hey mate the answer is in the Attachment .......
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