Question

if the radius and length of a cone are r2 and 2l respectively. What is it's total surface area?

Answer 1

TSA of cone = pi*r (r+l)
pi*r2 (r2+2l)

Answer 2

given radius =r^2
slant height =2L
TSA OF CONE =PIE×R (L+R)
=PIE × R^2 (2L+ R^2 )