What is the approximate surface area of the larger cone?
Answer 817.8 square yards
467.5 square yards
267.1 square yards
152.7 square yards

Question

What is the approximate surface area of the larger cone?
Answer    817.8 square yards 
   467.5 square yards 
   267.1 square yards 
   152.7 square yards

anonymous · Answer

attachment

anonymous · Answer

I got 817

callisto · Answer

radius of larger cone = 21x5/12 = 8.75
curve surface area = (pi) r l = (pi) (8.75)(21) = 577.2677
total surface area = curved area + based area = 577.2677 + (pi)r^2 = 577.2677 + (pi)(8.75)^2 = 817.8

anonymous · Answer

Thanks! could you also look at my other question.. I will give you a link

callisto · Answer

sure! you're welcome :)

anonymous · Answer

http://openstudy.com/study#/updates/4f635a67e4b079c5c631b7f2