Q. 144.0( 210 Votes )

AB and CD are res

Answer :

Area of the shaded region = Area of sector OAEB - Area of sector OCFD

= * * (21)2 - * * (7)2


= * [(21)2 – (7)2]


= * [(21 – 7) (21 + 7)]


=

= 8624/84

= cm2

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