1. 10-4B Surface Area of Cylinders
Geometry

2. 10-4B Surface Area of Cylinders
Cylinders - A solid with congruent bases that lie in parallel planes.
Lateral area of a cylinder is the area of its curved surface. LA = 2πrh

3. Surface Area of Right Cylinder
S.A. = 2B + Ch or SA = 2B + LA
or S.A. =
B = Area of Base
C = Circumference of base
h = ht of cylinder
r = radius of a base

4. Ex. 1
Find the lateral area & surface area of the right cylinder. Give your answers in terms of
16 in.
10 in
Ex, ex. 3

5. Ex. 1
Find the lateral area & surface area of the right cylinder. Give your answers in terms of
B. ) a cylinder with circumference cm & a height equal to half the radius.

6. Ex. 2
Find the surface area of the composite figure.
Ex. Ex. 4

7. Ex. 3
The edge length of the cube is tripled. Describe the effect on the surface area.
8 cm
Chkpt ex. After ex. 4

8. Lateral area of a cylinder
Is the area of its curved surface.
L.A. =