IN MATH: 1. n. on a line, a set containing a point (called the endpoint) and all points to one side of the endpoint (symbol written above the capital letters for the endpoint then an additional point on the ray). EX. In ray AB, A is the endpoint.

IN ENGLISH: 1. n. in a picture, a line or arrow extending from one point. EX. Little children often draw pictures with rays flowing from the sun.

APPLICATION: See list 260.

1. Given a line containing in order points A, B, and C, how many rays are possible if A, B, and C are the only possible endpoints?

2. List four of these rays.

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