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A light house throws light forming sector of radius 21m with central angle 120 degree. The area covered by it is

Posted by Dinesh Kumar 6 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Dinesh Kumar 6 years, 2 months ago

thanks jatin for help me

0Thank You

Jatin Rao 6 years, 2 months ago

R=21 m Q=120° Area covered by the light=the area of the sector =22/7*21*21*120/360 =22*21 =462 m sq. Answer

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