For a right circular cone, if the radius is reduced to 1/5 its original size and the slant height is reduced to 1/6 its original size,what is the surface area if the original radius is 8 centimeters and the original slant height is 13 centimeters?
A18.63 cm squared
B18.74 cm squared
C18.84 cm squared
D18.93 cm squared
A18.63 cm squared
B18.74 cm squared
C18.84 cm squared
D18.93 cm squared