Question

(c16 m
23. The ratio of the total surface area to the lateral surface area of a cylinder whose radius

20 cm and height 60 cm, is



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Answer 1

Answer:

Tsa=2πr(h+r)

Csa=2πrh

Ratio=2πr(h+r) /2πrh

=h+r/h

=20+60/60

=80/60

=4/3

=4:3

Step-by-step explanation:

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Answer 2

Answer: 4:3

Step-by-step explanation

Let r = 20 cm and h = 60cm

TSA = 2πr(r+h)

LSA = 2πrh

TSA/LSA = 2πr(r+h)/2πrh

= r+h/h

= 20+60/60

= 80/60

= 4/3

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