Geometry vocabulary for CL

Front

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

Back

conjecture

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vocabulary

Front

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.

Back

transformation, transformations

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vocabulary

Front

Back

Distance Formula

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vocabulary

Front

To _________ is to create a geometric figure using tools such as a ruler, straightedge, compass, or protractor. This is more accurate than to sketch.

Back

draw

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vocabulary

Front

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

Back

sketch

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vocabulary

Front

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.

Back

auxiliary line

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vocabulary

Front

When you ___________ geometric figures, you create exact figures without measurements, using paper folding or a compass and a straightedge—and geometric reasoning.

Back

construct

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vocabulary

Front

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

Back

compass

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vocabulary

Front

A ____________ is a ruler with no numbers.

Back

straightedge

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vocabulary

Front

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

Back

line

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vocabulary