The base radius of cylinder pillar with height 2m is 10cm
a) find its curved surface area
b) find the cost of painting it's Curved surface area at the rate of rupees 100 per m
Answers
Answered by
4
Answer:
a) CSA = 2 × 22/7 × 0.1 × 2.
= 8.8/7 m²
b)Cost = 880/7
=Rs 125.8
Answered by
2
Answer:
40000 π sq.cm and 1256 Rupee
Step-by-step explanation:
curved face area of a pillar =2 x π 10 x 200 = 4000 π sq. cm
Are of portion to bepainted = 4000 π x 10
= 40000 π sq.cm
= 4 π sq.cm
expence = 4 π x 100
= 1256 രൂപ
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