Shown in the Figure Is a Plan for the Top

question 47

Multiple Choice

Shown in the figure is a plan for the top of a wing of a jet fighter, where feet and feet. Approximate the area of triangle ABC.

• A)797.2 ft ²
• B)398.2 ft ²
• C)398.4 ft ²
• D)399.2 ft ²
• E)398.6 ft ²

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Definitions:

Mastoid

A prominent bony structure located behind the human ear, part of the temporal bone, containing air spaces that communicate with the middle ear.

Sternum

The long flat bone in the upper middle of the front of the chest to which the ribs are attached.

Costae

The plural form of costa, referring to ribs, which are long curved bones forming the rib cage.

Xiphoid Process

A small cartilaginous projection at the lower end of the sternum, which becomes bony in older adults.