Question

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​

Answer 1

Answer:

2trh is a formula

but

formula of total surface are of a right circular cone is π(r + l) r.