Engineering Fundamentals: An Introduction to Engineering, 4th ed.c

7.6 Area 177

TABLE 7.4 Some Useful Area Formulas (continued)

Ellipse

Apab

Cylinder

As 2 pRh

AtopAbottompR

2

AtotalAsAtopAbottom

Right Circular Cone

AbottompR

2

AtotalAsAbottom

Sphere

A 4 pR

2

AspRspR 2 R

2

h

2

b

b

aa

h

R

s h

R

R

■Figure 7.10

A composite surface (surface of a

heat sink) that may be divided

into primitive areas.

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