1

Opener: Name the following solids. (5th one on Opener Sheet)

1. 2.

3. 4.

2

Homework Questions:

3

Section 10.4: Surface Area of Prisms and Cylinders

4

A. What do you think surface area is?

5

B. What do you think lateral area is?

C. Which should be larger ‐ lateral area or surface area?

6

Finding lateral and surface area for a prism:

1.

2.

10 cm

6 cm

4 cm

12 ft

6 ft

Formula: L.A. =

S.A. =

4 cm

6 cm

10 cm

12 ft

6 ft

6 ft

7

Finding lateral and surface area of a cylinder:

rh

1.

2. 3 in

10 in

Formula: L.A. =

S.A. =

3 in

10 in

8

2

Find the surface area of composite figures:

1.

20

2

3

2.

Note: Surface area only includes...

3.

3

3

2

9