Medium Math Class 9 Level 2

A cone has radius 5 cm and height 12 cm. What is its slant height?

शंकु की त्रिज्या 5 cm और ऊंचाई 12 cm है तो तिर्यक ऊंचाई कितनी होगी?

A) 13 cm / 13 cm B) 14 cm / 14 cm C) 15 cm / 15 cm D) 17 cm / 17 cm
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Correct Answer

A. 13 cm / 13 cm

Explanation

Slant height l = √(r² + h²) = √(25 + 144) = 13 cm.

तिर्यक ऊंचाई l = √(r² + h²) = √(25 + 144) = 13 cm।

Related Questions

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A. 44 सेमी² / 44 cm² B. 77 सेमी² / 77 cm² C. 154 सेमी² / 154 cm² D. 308 सेमी² / 308 cm²
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