Medium Math Class 9 Level 3

A cone has radius 8 cm and height 15 cm. What is its slant height?

शंकु की त्रिज्या 8 cm और ऊंचाई 15 cm है तो तिर्यक ऊंचाई कितनी होगी?

A) 17 cm / 17 cm B) 19 cm / 19 cm C) 21 cm / 21 cm D) 23 cm / 23 cm
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Correct Answer

A. 17 cm / 17 cm

Explanation

l = √(8² + 15²) = √289 = 17 cm.

l = √(8² + 15²) = √289 = 17 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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