1. Area, Circumference & Volume
Performance Indicator 9
Area, Circumference & Volume
Objective:
TLW
a) Apply the given formula to find the area of a circle, the circumference of a circle, or the volume of a rectangular solid.

2. Radius & Diameter Radius (r): the line HALFWAY through the circle
Radius & Diameter
Radius (r): the line HALFWAY through the circle
Diameter (d): the line to the END of the circle
radius
diameter

3. Radius & Diameter 6 ¼ cm 5 ft. 3.2 m r =_____ d= ____ r =_____ d= ____
2 ¼ in
6 ¼ cm
r =_____
d= ____
r =_____
d= ____

4. AREA diameter CIRCUMFERENCE (C) : the measurement AROUND the circle.
CIRCUMFERENCE (C) : the measurement AROUND the circle.
C = d C i r c u m f e n
diameter
AREA (A): the measurement INSIDE the circle.
A = r²
AREA
radius

5. Area & Circumference 9 ¾ cm 6.5 m 18 ft. r =____ d =_____ C= ____
4 ½ in
9 ¾ cm
r =____
d =_____
C= ____
A= ____
r =____
d =_____
C= ____
A= ____

6. Area & Circumference r =____ d =__5cm__ C= ____ A= ____ r =____
d =_4.2ft__
C= ____
A= ____
r =_6.8in___
d =_____
C= ____
A= ____
r =_10m___
d =_____
C= ____
A= ____

7. Area & Circumference AREA diameter radius Around a circle
Inside a circle
Line halfway through a circle
Line to the end of the circle C i r c u m f e n
diameter

8. Volume The AMOUNT of SPACE that an object takes up. V = L ∙ W ∙ H
3.6 ft
2.2 m
9 ft
6 in
7.3 m
7 in
16 in
1.6 m
2 ½ ft
V = ____ in³
V = ____ m³
V = ____ ft³
The AMOUNT of SPACE that an object takes up.
V = L ∙ W ∙ H
V = Length ∙ Width ∙ Height