Question

find tsa of cone if radius is 2r and slant height is 2l​

Answer 1

Answer:

Total Surface Area of Cone = π$r^{2}$ + πrl

Step-by-step explanation:

radius = 2r

slant height = 2l

⇒ TSA = π$4r^{2}$ + π4rl

           = 4π ($r^{2}$ + rl)