Easy Math Class 9 Level 6

If a cylinder has radius 7 cm and height 10 cm then what is the correct expression for its volume?

बेलन की त्रिज्या 7 cm और ऊंचाई 10 cm है तो आयतन का सही व्यंजक क्या होगा?

A) π × 7 × 10 / π × 7 × 10 B) π × 7² × 10 / π × 7² × 10 C) 2π × 7 × 10 / 2π × 7 × 10 D) 4π × 7² / 4π × 7²
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Correct Answer

B. π × 7² × 10 / π × 7² × 10

Explanation

Volume of a cylinder is πr²h so the expression is π × 7² × 10.

बेलन का आयतन πr²h होता है इसलिए व्यंजक π × 7² × 10 होगा।

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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