Multiple choice

The diameter of a cylinder is 14 cm and its height is 16 cm the lateral surface area of cylinder is- बेलन का व्यास 14 सेमी है इसकी ऊँचाई 16 सेमी है तो उसका पार्श्व पृष्ठ क्षेत्रफल ज्ञात कीजिए।

  1. 704 cm2/सेमी2

  2. 700 cm2/सेमी2

  3. 710 cm2/सेमी2

  4. 696 cm2/सेमी2
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A Correct answer
Explanation

Lateral surface area of a cylinder = 2πrh, where r is radius and h is height. Given diameter = 14 cm, so radius r = 7 cm. Height h = 16 cm. LSA = 2 × (22/7) × 7 × 16 = 2 × 22 × 16 = 704 cm². Option D (696) incorrectly uses π = 3.14 without proper calculation, while option B (700) is a rounding error.

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