The total surface area of a right circular cone of base radius r, perpendicular height h and slant height / is ....
(A) Trh
(B) 2trl
(C) 2Ttrh
(D) T(r +
answer me anyone give me number for study
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Answer:
2trh is a formula
but
formula of total surface are of a right circular cone is π(r + l) r.
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