Easy Math Class 9 Level 7

If the radius of a sphere is r then what is its total surface area?

गोले की त्रिज्या r हो तो कुल पृष्ठीय क्षेत्रफल क्या होगा?

A) πr² / πr² B) 2πr² / 2πr² C) 4πr² / 4πr² D) 4/3πr³ / 4/3πr³
Show answer and explanation
Correct Answer

C. 4πr² / 4πr²

Explanation

The total surface area of a sphere is 4πr².

गोले का कुल पृष्ठीय क्षेत्रफल 4πr² होता है।

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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