Question

calculate the total surface area of the combined cone/cylinder/hemisphere

Answer 1

Answer:

πr(rl+2r+2h+3r)

Step-by-step explanation:

cone

πr^2l

cylinder

2πr(r + h,)

hemishere

3πr^2

combine

πr^2l + 2πr^2 + 2πrh + 3πr^2

= πr(rl+2r+2h+3r)