Aim #84: How do we determine
the Surface Area of different solids?
(Unit 9 - Measurement)
HW #84: Surface Area Handout
Do Now: Simplify:
180
3-15-17
SURFACE AREA
Surface Area of a solid is __________________________________________.
TYPE OF SOLID SOLID UNFOLDED Rectangular
Prism
3 pairs of opposite
congruent faces
(6 faces total: top and
bottom, front and back, and
the two sides)
h
w
l
Cylinder
r
w
h
l
Triangular
Prism
SURFACE AREA DESCRIPTION
2 congruent circular bases
and one rectangle
(width = height of cylinder
and
length = circumference of
base)
2 congruent triangular bases
and
3 rectangular faces
Pyramid
square base
one square base and
4 congruent triangular faces