Geometry vocabulary for CL

A ____________ is a hypothesis that something is true. The hypothesis can later be proved or disproved.

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A _______________ is an operation that maps, or moves, a figure, called the preimage, to form a new figure called the image.

Three types of __________ are reflections, rotations, and translations.

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To _________ is to create a geometric figure using tools such as a ruler, straightedge, compass, or protractor.

This is more accurate than to sketch.

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To __________ is to create a geometric figure without using tools such as a ruler, straightedge, compass, or protractor.

A drawing is more accurate than a __________.

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An ____________________ is a line that is drawn to help complete a geometric proof.

Example An auxiliary line is drawn parallel to AB through point C.

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When you ___________ geometric figures, you create exact figures without measurements,

using paper folding or a compass and a straightedge—and geometric reasoning.

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A __________ is a tool used to create arcs and circles.

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A ____________ is a ruler with no numbers.

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A ______ is made up of an infinite number of points that extend infinitely in two opposite directions.

A ______ is straight and has only one dimension.

Example: The ______ here can be called _____ k or _____ AB

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