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Ramakrishna Dhooli
19/12/2018 0 0

SURFACE AREA OF CONE                                                           Cone  Cone

If, r=radis of the cone

     l= slant height


1)Curved Surface Area of the cone= πrl

2)Total surface Area of cone= πr(r+l)

Ex-  If,r=28 cm, l=30cm, then

1)Curved Surface Area of the cone= πrl



                                                =2640    square cm

2)Total surface Area of cone= πr(r+l)


                                            = 22x4(58)

                                             =5104 square cm


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