What is the area of the watered region (in terms of š…)? - CBSE Class 1 - CBSE Class 10 Sample Paper for 2026 Boards - Maths Basic

Remove Ads

Transcript

Question 37 (ii) What is the area of the watered region (in terms of š…)?Radius (r) = 21 m And, šœ½=šŸ–šŸŽĀ° Area of watered region = Area of sector with angle 80° = šœƒ/(360°)Ɨ šœ‹š‘Ÿ2 = (šŸ–šŸŽĀ°)/(šŸ‘šŸ”šŸŽĀ° )Ɨ š… Ɨ (šŸšŸ)šŸ = 8/36Ɨ šœ‹ Ɨ 441 = 2/9Ɨ šœ‹ Ɨ 441 = 2 Ɨ šœ‹ Ɨ 49 = 98š… m2

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.