SOLUTION: If r= 4in. and h= 3 in., find the total surface area. It has an image of a cone, with the h going from the highest point to the center of the circle, and r being the radius on the

Algebra ->  Surface-area -> SOLUTION: If r= 4in. and h= 3 in., find the total surface area. It has an image of a cone, with the h going from the highest point to the center of the circle, and r being the radius on the       Log On


   



Question 919404: If r= 4in. and h= 3 in., find the total surface area. It has an image of a cone, with the h going from the highest point to the center of the circle, and r being the radius on the circle.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,

S = pi%2Ar%5E2+%2B+pi%2Ar%2Asqrt%28r%5E2+%2B+h%5E2%29
r = 4, h = 3 Plug and Play
S = pi%2A4%5E2+%2B+pi%2A4%2Asqrt%284%5E2+%2B+3%5E2%29
S = pi%2A4%5E2+%2B+pi%2A4%2A5+=+36piin^2