Medium Math Class 9 Level 6

A cone has radius 15 cm and height 20 cm. What is its slant height?

शंकु की त्रिज्या 15 cm और ऊंचाई 20 cm है तो तिर्यक ऊंचाई कितनी होगी?

A 20 cm / 20 cm B 25 cm / 25 cm C 30 cm / 30 cm D 35 cm / 35 cm
Show answer and explanation
Correct Answer

B. 25 cm / 25 cm

Explanation

l = √(15² + 20²) = √625 = 25 cm.

l = √(15² + 20²) = √625 = 25 cm।

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