the height of a cylinder is half its diameter is radius of a cylinder is 4.2 cm find its curved surface area and total surface area
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Answer:
hope it's helpful
Step-by-step explanation:
given
Height of cylinder =15cm
Curved surface area =660cm
2
We know
Curved surface area =2πrh
∴2πrh=660
⇒r=
2×π×15
660
cm=7.00 cm Ans
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