By definition, two rays labeled AB and AC must exist with which of the following conditions? Select ALL that apply! The two rays make a line AC The two rays are parallel The two rays form angle CAB D The two rays are perpendicular E The two rays intersect at point A

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Explanation:

An angle is formed of two rays having the same endpoint. Angle CAB will be formed from rays AB and AC. Those rays will intersect at their end point: A.

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Comments on other choices

The two rays will make line AC if and only if point A lies between points B and C on that line. That is, the existence of rays AB and AC do not guarantee that a line will be formed.

Parallel rays cannot share a point. Hence rays AB and AC, which share point A, cannot be parallel.

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