if the diameter of a cylinder is 28cm and its height is 20 cm ,then its curved
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Step-by-step explanation:
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Step-by-step explanation:
The C. S.A of the cylinder is 2πrh
- So the diameter is 28cm
- Then the radius will 14 cm
- And the height will be 20cm
Now the formulla will
2*22/ 7 * 14 * 20........ And after solving this we have....... 40 * 44 and than.... The curved surface area is. 1760 cm²
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