134 - Surface Area of a Cylinder notes layering.notebook

134 ­ Surface Area of a Cylinder notes layering.notebook
February 15, 2017
Table of Contents
4­5
6­7
8­9
3
Volume of a Cylinder
Working Backwards using Vol.
Surface Area of Cylinder
WARM UP p. 8
Find the Volume. 3) 12 cm
5 cm
Find the area and the perimeter of each circle. 1) 2) 11 in
6 cm
Area: _________
Perimeter: _________
Area: _________
Perimeter: _________
Volume: _________
1
134 ­ Surface Area of a Cylinder notes layering.notebook
February 15, 2017
What shapes are the
surfaces of a cylinder?
What is surface area a
measurement of?
area?
length?
area?
A=πdh
area?
Formula for
Surface Area
2
134 ­ Surface Area of a Cylinder notes layering.notebook
February 15, 2017
Watch How!
SA = ph + 2B
SA = πdh
2
+ 2πr
2
r=
= 3.14 x 10 x 10 + 2 x 3.14 x 5
d=
= 314 + 157
h=
= 471 cm
2
SA =
Topic:
LT/Focus:
EQ:
• Geometry
• I can find surface area of a cylinder.
• Where does the formula for surface area come
from? (explain)
9
SA of all
What is the
figures
SA = ph + 2B
formula for
surface area? SA of
cylinders
How do we find
surface area?
3 in
SA = πdh
2
+ 2πr
r=
d=
7 in
h=
SA=
SA = πdh
2
+ 2πr
3