1. Lateral surface area of a prism 2. Total surface area of a prism 3

February 20, 2014
1. Lateral surface area of a prism
2. Total surface area of a prism
3. Lateral surface area of a cylinder
4. Total surface area of a cylinder
a. 2 pi rh + 2 pi r2
b. 2(l
x w) h
c. (2l + 2 w) h
d. 2 pi rh
February 20, 2014
A __________ of a solid is any flat surface
that is not a base.
The _______________ of a solid is the
sum of the areas of its lateral faces.
The total surface area of a solid is the sum
of the area of its bases.
February 20, 2014
The _______________ of a prism is the
perimeter of the base (P) times the height of
the prism (h).
10
4
5
February 20, 2014
8 cm
12 cm
6 cm
February 20, 2014
Surface area of a prism:
2B+Ph
B = area of the base = l w
P= perimeter of the base
=2l+2w
h = height
February 20, 2014
9 yd
21 yd
6 yd
February 20, 2014
So how would you find the total surface
area of a triangular prism?
Hint: What is the difference in area of a
rectangle and a triangle?
4 ft
4 ft
4 ft
6 ft
February 20, 2014
lateral surface area of a cylinder
is equal to the circumference of the base
times the height.
L = 2 pi rH
8 ft
3 ft
February 20, 2014
17 yds
6 yds
February 20, 2014
Surface area of a cylinder
L + 2 pi r2 or 2 pi rh + 2 pi r2
h= height
February 20, 2014
3 ft
2 ft
February 20, 2014
10 cm
diameter = 4 cm
February 20, 2014
Home work p. 389 # 2-16 evens
February 20, 2014