Medium Math Class 9 Level 1

A cone has radius 3 cm and height 4 cm. What is its slant height?

शंकु की त्रिज्या 3 cm और ऊंचाई 4 cm है तो तिर्यक ऊंचाई कितनी होगी?

A) 5 cm / 5 cm B) 6 cm / 6 cm C) 7 cm / 7 cm D) 12 cm / 12 cm
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Correct Answer

A. 5 cm / 5 cm

Explanation

Slant height l = √(r² + h²) = √(9 + 16) = 5 cm.

तिर्यक ऊंचाई l = √(r² + h²) = √(9 + 16) = 5 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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