Geometry Vocabulary for Grade 7

Front

*Front:* Point

Back

exact location in space, no size or dimension

Front

*Front:* Line

Back

straight path extending in both directions with no end

Front

*Front:* Line Segment

Back

of a line with two endpoints

Front

*Front:* Ray

Back

part of a line that starts at an endpoint and extends infinitely in one direction

Front

*Front:* Plane

Back

flat surface that extends infinitely in all directions

Front

*Front:* Angle

Back

by two rays with a common endpoint

Front

*Front:* Vertex

Back

common endpoint of an angle

Front

*Front:* Acute Angle

Back

angle less than 90 degrees

Front

*Front:* Right Angle

Back

angle equal to 90 degrees

Front

*Front:* Obtuse Angle

Back

angle greater than 90 degrees but less than 180 degrees