Question

If the LSA of a cylinder is 94cm² and its height is 5cm find (i) radius of its base (ii) volume of cylinder
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Answer 1

Answer:

here is it you may see the given explanation

Answer 2

Answer:

Lateral Surface Area of cylinder = 94 cm²

Height = 5 cm

⇒ 2πrh = 94

2 × 22r/7 × 5 = 94

r = 94 × 7/22 × 2 × 5

r = 329/110

r = 2.9 cm OR 3 cm [after rounding off]

Now to find the volume:-

Formula = πr²h

⇒ 3.14 × (3)² × 5

= 3.14 × 9 × 5

= 3.14 × 45

= 141.3 cm³

Ans (i) = 2.9 cm OR 3 cm [round off]

Ans (ii):- 141.3 cm³

Hope it helps

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