Medium Math Class 9 Level 3

If the radius of a sphere is 14 cm then what is its surface area?

गोले की त्रिज्या 14 cm है तो उसका पृष्ठीय क्षेत्रफल क्या होगा?

A) 616 cm² / 616 cm² B) 1232 cm² / 1232 cm² C) 2464 cm² / 2464 cm² D) 4312 cm² / 4312 cm²
Show answer and explanation
Correct Answer

C. 2464 cm² / 2464 cm²

Explanation

Surface area = 4πr² = 4 × 22/7 × 14² = 2464 cm².

पृष्ठीय क्षेत्रफल = 4πr² = 4 × 22/7 × 14² = 2464 cm²।

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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