Easy Math Class 9 Level 3

What is the curved surface area of a cylinder?

बेलन का वक्र पृष्ठीय क्षेत्रफल क्या होता है?

A. 2πrh / 2πrh B. πr²h / πr²h C. 2πr² / 2πr² D. πrl / πrl
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Correct Answer

A. 2πrh / 2πrh

Explanation

The curved surface area of a cylinder is 2πrh.

बेलन का वक्र पृष्ठीय क्षेत्रफल 2πrh 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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