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A Point - Answer: a location, or position. It has no size or shape and is defined by its
only property: its position.
A line segment - Answer: consists of two endpoints and all the points between those
endpoints.
A ray - Answer: has a single endpoint (also called its origin) and extends indefinitely in
one direction. The ray's direction is described with the help of any other point on the ray.
A Line - Answer: continue infinitely in opposite directions.
Straight Angle - Answer: A straight line. 180* (180 degree angle)
Right Angle - Answer: 90 degree angle
Acute Angle - Answer: less than 90 degree angle
Obtuse Angle - Answer: An angle that measures more than 90 degrees but less than
180 degrees
Reflex Angle - Answer: An angle greater than 180 degrees (but less than 360)
Supplementary Angles - Answer: Two angles whose sum is 180 degrees
Complementary Angles - Answer: Two angles whose sum is 90 degrees
Polygon - Answer: is a closed geometric figure with at least three straight sides.
Vertex - Answer: The point where two sides meet
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