Identify the ratio of lateral surface ar

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Application of Integrals

Question:

Identify the ratio of lateral surface areas of two cylinders with equal heights with radius ‘R’ and ‘r’.

Options:

H : r

R : r

1 : 2

2 : 3

Correct Answer:

R : r

Explanation:

We know that lateral surface area of cylinder = 2πrh

Hence, ratio of lateral surface area = R/r.