A crash course in:
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Transcript of A crash course in:
6.3- Prisms
7.1 – Surface Area and Volume Formulas
7.2 – Surface Area & Volume of Prisms
7.3 – Surface Area & Volume of Pyramids
A crash course in:
Parts of a polyhedra:facesedges
vertices
Remember from last time
Today, we’re going to talk about specific polyhedra called:
Prisms
and
Pyramids
FACES can be eitherBases
Lateral Faces
PRISMS
*have 2 bases: they are || and
*Lateral faces are ALWAYS rectangles or parallelograms
PYRAMIDS*have 1 base.
*Lateral faces are ALWAYS triangles
Naming Prisms and PyramidsThey have 3 names – just like most of you
First name:
RIGHT – straight up and down – all lateral sides are rectangles
or
OBLIQUE – at least one lateral side is a parallelogram (slanted)
Middle name:
Names the shape of the base:
“triangular”
“rectangular”
“octagonal”
“trapezoidal”
“hexagonal”
Last name:
Names the family:
Prism
Or
Pyramid
Surface Area
The number of
square units on the surface of a shape.
units2
VolumeThe number of
cubic units inside a shape.
units3
You should have a paper that lists all the formulas for surface area and volume for various shapes.
Assignment
3D worksheet packet