Question

Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for n and round to the negrest tenth.

0439.6 f2
0324.5 f2
571.5 f2
0285.7 f2

Answer 1

as always, including the dozen times this question has appeared,

A = πrs
so plug and chug.