How tall must a “full-length” mirror be, relative to a penguin, so that he can see himself from hat to foot? (poll 11167323)

How tall must a “full-length” mirror be, relative to a penguin, so that he can see himself from hat to foot?

A. The mirror must be as tall as the penguin.

B. The mirror must be 3/4 as tall as the penguin.

C. The mirror must be 1/2 as tall as the penguin.

D. The mirror must be 1/4 as tall as the penguin.

E. The answer depends on the penguin's distance from the mirror.

Other:

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