Geometry vocabulary- Unit 1

Front

A straight path of points that goes on and on in opposite directions is called a ____________.

Back

line

Front

A ______ is an exact location in space.

Back

point

Front

A part of a line that has one endpoint and continues on forever in one direction is called a _________.

Back

ray

Front

A _______________ is part of a line with two endpoints.

Back

line segment

Front

An angle with a measurement less than a right angle.

Back

acute angle

Front

Complementary Angles

Back

Two angles whose measures have a sum of 90

Front

Name the transformation: Translation, Reflection, Rotation

Back

Reflection

Front

What is this picture an example of? Options: An angle, A cat vertex, Rotation, Dilation

Back

Rotation

Front

Dilation

Back

Dilation means to enlarge or reduce

Front

Reflection

Back

When you flip or mirror an object across a line.