Solve the following,
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Height of cone = 15cm
Radius of cone = 8 cm
Slant height = root( 225 + 64)
= root(289)
= 17 cm
Curved surface area = pi * r * l
= pi * 8* 17
= 136 pi cm sq.
Radius of cone = 8 cm
Slant height = root( 225 + 64)
= root(289)
= 17 cm
Curved surface area = pi * r * l
= pi * 8* 17
= 136 pi cm sq.
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