Find the curved surface area of a cylinder whose radius is 21 cm and height is 4 cm
please don't answer if you don't know.
Answers
Answered by
0
Answer:
A≈3298.67cm²
Step-by-step explanation:
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Answered by
0
Answer:
surface area is 4750.09 cm²
Step-by-step explanation:
area = 2πrh+2πr²h
= 2×3.14×21×4+2×3.14×21×21×4
= 4750.08809cm²
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