Question

the diameter of a sphere is 28 cm find the cost of painting it all around at rupees 0.10 per square CM

Answer 1

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r = 14
cost = TSA X rate per cm²

cost = 4πr² X 1/10 = 246.4

Answer 2

Answer:

Step-by-step explanation:

Formula is.

=4×22÷7×14×14×0.10

Cost is 0.10 per centimetre square

= 4×22×28×0.10

= 88×28×0.10

=2464×0.10

=rupees. ..246.40