Area and Volume

1
Area and Volume

• Sections 11.1-11.4
• Sections 13.1-13.3

2
Area

• Find the area of the following
• Parallelogram

• Triangle

• Trapezoid

• Rhombus

• Circle

3
Parallelogram

• Formula A b h

height (h)
base (b)
4
Triangle

• Formula A ½ b h

height (h)
base (b)
5
Triangle

• Formula A ½ b h

height (h)
height (h)
base (b)
base (b)
6
Trapezoid

• Formula A ½ h (b1 b2)

base one (b1)
height (h)
base two (b2)
7
Rhombus

• Formula A ½ d1 d2

diagonal one (d1)
diagonal two (d2)
8
Circle

• Formula A ? r2

radius (r)
9
Area

• Always use squared units for area!

in.2
sq. ft.
meters2
sq. yds.
10
Volume
Sections 13.1-13.3 (five formulas)
11
Volume

• Find the volume of the following
• prism

• cylinder

• pyramid

• cone

• sphere

12
Prism and Cylinder

• Formula V B h
• B area of the base
• For a cylinder, use ? r2.

13
Pyramid and Cone

• Formula V 1/3 B h
• B area of the base
• For a cone, use ? r2.

14
Volume

• Always use cubic units for volume!

in.3
ft.3
yds.3
meters3
15
Test total problems 30

• Area (12)
• Two of each type
• Area Irregular shape (4)
• Volume (10)
• Two of each type
• Volume Irregular (4)