କୋନ୍(CONE) Class 10 mensuration exercise-5(e) in odia || ପରିମିତି,ଦଶମ ଶ୍ରେଣୀ || Q no. 4,5&6 ||

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Q NO. 1,2&3 :    • କୋନ୍(CONE) class 10 mensuration exercise-5...  

Curved surface area of a cone =πrl

Total surface area of a cone =πr(l+r)

                                 

l=√h2+r2

Where, r is the base radius, h is the height and l is the slant height of the cone.