Area,%20Volume%20and%20Surface%20Area

1
Area, Volume and Surface Area
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The concepts of this lesson will allow you to

• Find the Perimeter of an object
• Find the Area of an object
• Find the Volume of an object
• Find the Surface Area of an object

3
Geometry TermsDiscuss and Review

• Area
• Perimeter
• Parallelograms

• Volume
• Prism
• Surface Area

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Perimeter and Area of Basic Shapes
s
l
P 2l2w or 2(lw) or lwlw
Perimeter 4s or
ssss Area s2
s
w
A lw
P s1 s2 s3
C 2?r ?d
r
s
A ?r2
A ½ bh
h
b
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Volume of Solids
V lwh
V s3
s
s
h
s
l
w
r
h
V (4/3)?r3
V ?r2h
r
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Surface Area
Surface area is the area of an objects external
layer.
Use the BattleBot Ankle Biter as an example.
We will look at its basic external case,
respectively.
(Measurements are estimations)
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Ankle Biter Example
12
13
10
Use Area formulas to calculate the SA of Ankle
Biters shell.
994.8 sq inches
NOTE Break it down into smaller sections when
calculating the area.
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Review and Questions