Math, asked by shiksha567, 11 months ago

please ans fastly....

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Answered by tanish131

4

this is your answer that you want
thanks

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Answered by rinkum57

3

Answer:

1320cm²

Step-by-step explanation:

diameter of cylinder = 4.2dm = 42cm

radius of cylinder = 21cm

height of cylinder = 1dm = 10cm

so,curved surface area of cylinder=2πrh

= 2×22/7×21×10

= 44×3×10

= 1320cm² .....ans.

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