If θ is the angle (in degrees) of a sector of a circle of radius r, then area of the sector is

(A) (πr 2 θ)/360  

(B) (πr 2 θ)/180 

(C) 2πrθ/360  

D) 2πrθ/180

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  1. Chapter 12 Class 10 Areas related to Circles (Term 1)
  2. Serial order wise

Transcript

Question 2 If ฮธ is the angle (in degrees) of a sector of a circle of radius r, then area of the sector is (A) (๐œ‹๐‘Ÿ^2 ๐œƒ)/360 (B) (๐œ‹๐‘Ÿ^2 ๐œƒ)/180 (C) 2๐œ‹๐‘Ÿ๐œƒ/360 (D) 2๐œ‹๐‘Ÿ๐œƒ/180 We know that Area of sector = ๐œฝ/(๐Ÿ‘๐Ÿ”๐ŸŽยฐ) ร— ๐…๐’“^๐Ÿ So, the correct answer is (A)

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.