surface area truncated cone1

R14 red  -  radius of the lower base

rr1 red  -  radius of the upper base

L14 blue  -  slant height of a cone

pi1    3,14

 

Formula for calculating lateral surface area of a truncated cone if given radius and slant height ( A_lat ) :

surface area truncated cone F1

 

Formula for calculating total surface area of a truncated cone if given radius and slant height ( A ) :

surface area truncated cone F2