Upgrade to remove ads
Only $35.99/year

Chapter 12: Part 1

Terms in this set (24)

Prisms
2 bases, rectangular lateral faces
Pyramids
1 base, triangular lateral faces, 1 common point
How are prisms and pyramids named
By shape of base
What are the 3 non polyhedra's
Sphere, cone, cylinder
Formula for finding out how many edges there are
Faces + vertices - 2 = edges
Cross section
Intersection between a plane and a 3 dimensional solid
Lateral area
Area of only the lateral faces
Surface area
Area of all faces (total area)
Lateral area of prism
Ph (perimeter × height)
Surface area of prism
Ph + 2B (area of base)
When finding the area of a prism always find ______ first
PBH (perimeter, height, base area)
Lateral area of cylinder
πdh
Surface area of cylinder
πdh+2πr²
Lateral area of pyramid
1/2 pl (perimeter × slant height)
Surface area of pyramid
1/2 pl + 2B
Always find _______ when finding the area of a pyramid
PBL
Lateral area for cones
πrl
Surface area for cones
πrl + πr²
Surface area of a sphere
4πr²
How many great circles are in a sphere
4
Lateral area for a hemisphere
2πr²
Surface area for a hemisphere
3πr²
Platonic solids
All faces are the same/equal
Name the 5 platonic solids
1. Tetrahedron
2. Hexahedron (cube)
3. Octahedron
4. Icosahedron
5. Dodecahedron
Other sets by this creator