Question

The ratio of the total
sulface area to the lateral
sulfacce area of a cyclinder whose radius 20 cm height 60 cm each​

Answer 1

Answer:

So the correct answer is 4:3.

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Answer 2

2cm

step by step explaination:

radius of cylinder = 35cm

lateral surface area= 440cm

also lateral surface area=

2\pi rh2πrh

= 440 = 2 × 22/7 × 35 ×h

= h = (440 ×7)/(2×22×35)

= h = 2cm

so height = 2cm