Math, asked by gowrimukesh1975, 4 months ago

find the central angle of each of the sector area = 462 cm^2 , r = 21 cm

Answers

Answered by anurag2147

8

area of sector = @ /360 πr²

462cm² = @ /360 π ×21×21

@ = 462 × 360 × 1 /π × 1/21× 1/21

@ = 40°

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