Chapter 11: Surface Areas and Volumes

Surface Areas

Cuboid (l, b, h)

  • LSA = 2h(l+b)2h(l + b)
  • TSA = 2(lb+bh+hl)2(lb + bh + hl)

Cube (side a)

  • LSA = 4a24a^2
  • TSA = 6a26a^2

Cylinder (r, h)

  • CSA = 2πrh2\pi rh
  • TSA = 2πr(r+h)2\pi r(r + h)

Cone (r, l)

  • CSA = πrl\pi rl
  • TSA = πr(r+l)\pi r(r + l)

Sphere (r)

  • Surface Area = 4πr24\pi r^2

Hemisphere (r)

  • CSA = 2πr22\pi r^2
  • TSA = 3πr23\pi r^2