vocab cards 1-8

Front

A circle is a simple closed curve, all points equidistant from a fixed point.

Back

simple closed curve, all points same distance from a fixed point

Front

Simple closed curve:

Back

A path that starts and ends at the same point without intersecting itself.

Front

A flat surface extending infinitely in all directions.

Back

plane

Front

Angle measuring 90 degrees.

Back

right angle

Front

Angle measuring 180°.

Back

straight angle

Front

Angle measuring 0-90 degrees.

Back

Acute angle

Front

Angle measuring 90-180 degrees.

Back

obtuse angle

Front

Set of points formed by two rays with a common endpoint.

Back

angle

Front

A set of points extending in both directions without end.

Back

line

Front

A set of points extending in one direction without end.

Back

ray