In the Illustration $\overline { A B } \| \overline { C D }$

question 97

Multiple Choice

In the illustration, $\overline { A B } \| \overline { C D }$ . Is triangle ABO similar to triangle CDO? Why or why not?

• A) No, OC is three times as long as BO is.
• B) Yes, all angles of ABO are equal to corresponding angles of DCO.
• C) Neither of the other explanations is correct.

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Definitions:

Nasal Conchae

Curved bony projections in the nasal cavity that help to filter, warm, and moisten the air we breathe.

Zygomatic Process

A projection of the temporal bone that forms part of the zygoma, or cheekbone, connecting with the zygomatic bone of the face.

Mandible

The lower jawbone, which is the largest, strongest bone in the face, serving for the reception of the lower teeth and providing structure for facial shape and motion.

Maxillary

Relating to the upper jawbone, which forms part of the face and holds the upper teeth.