Question

find the height of a cylinder whose radius is 10 cm and total surface area is 2420cm square


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Answer 1

Answer:

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Answer 2

Answer:

TSA of cylinder = 2πr(r+h)

⇒2420cm

2

=2×

7

22

×10(10+h)⇒10+h=

440

2420×7

=

2

77

⇒h=

2

77

−10=

2

57

=28.5cm

∴ Height = 28.5cm

Step-by-step explanation:

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