Transcript Surface Area of Prisms and Cylinders

Chapter 8 Section 8
 What is a net?
 A two-dimensional pattern that you
can fold to make a three-dimensional
figure.
 Let’s Look
Definition: the sum of the
areas of the faces of a shape.
6in
4in
9in
7in
Find the total surface area of
2
this shape
6ft
5ft
48
6ft2
2
ft
15ft2
4ft
3ft
3ft
12ft2
9ft2
Find the surface area of a triangular
prism with the following dimensions:
w = 10cm
l = 6cm
h = 8cm
s = 5cm
Find the surface area of a triangular
prism with the following dimensions:
w = 3in
l = 4in
h = 6in
s = 2in
5in
6in
5in
Find the total surface area of
this shape
5m
5m
5m
Find the total surface area of
this shape
25m2
150
5m
2
m
5m
5m
25m2
25m2
25m2
25m2
25m2
Find the total surface area of
this shape
10ft
3ft
5ft
Find the total surface area of
this shape
50ft2
190
10ft
2
ft
3ft
5ft
50ft2
15ft2
15ft2
30ft2
30ft2
Find the surface area:
w = 3in
l = 4in
h = 6in
 In other words:
 Area of the circle (there are two circles).
 Area of rectange  length × width
(height) × (cirumference)
7in
8in
Find the total surface area of
this shape
244.92
2
in
10in
6in
Find the total surface area of
this shape
244.92
2
in
28.26 in2
28.26 in2
188.4 in2
10in
6in
 Find the surface area of the
cylinder:
h = 12in
d = 6in
 Find the surface area of the
cylinder:
h = 8cm
d = 4cm
Pg. 445 in book
Numbers 5, 7, 15
NO HOMEWORK! 