Medium Math Class 9 Level 8

If a cylinder has radius 21 cm and height 10 cm then what is its volume?

बेलन की त्रिज्या 21 cm और ऊंचाई 10 cm है तो आयतन क्या होगा?

A 6930 cm³ / 6930 cm³ B 13230 cm³ / 13230 cm³ C 13860 cm³ / 13860 cm³ D 15400 cm³ / 15400 cm³
Show answer and explanation
Correct Answer

C. 13860 cm³ / 13860 cm³

Explanation

Volume = πr²h = 22/7 × 21² × 10 = 13860 cm³.

आयतन = πr²h = 22/7 × 21² × 10 = 13860 cm³।

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