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

(A) (ฯ€r 2 ฮธ)/360 ย 

(B) (ฯ€r 2 ฮธ)/180ย 

(C) 2ฯ€rฮธ/360 ย 

D) 2ฯ€rฮธ/180

MCQ (NCERT Exemplar) - If ฮธ is the angle (in degrees) of a sector of a - NCERT Exemplar - MCQ

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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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