Class-9:Surface Areas and Volumes|#importantquestionsforexam|#find C.S.A.&cost of plastering|#shorts

Class-9:Surface Areas and Volumes
#importantquestionsforexam
#find C.S.A.&cost of plastering

(i)the inner curved Surface area
(ii)the cost of plastering this curved Surface at the rate of ₹40/sq.m.

Class-9:Surface Areas andVolume of Cylinder
#find Surface Area of Cylinder

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