Geo 1.1 DA

Front

What do we call the intersection of two planes?

Back

A line.

Front

What is another name for line k?

Back

Line BC.

Front

What is the term for a part of a line with two endpoints?

Back

Line segment.

Front

What do we call points that lie on the same plane?

Back

Coplanar.

Front

How is a plane named?

Back

By any 3 non-collinear points on the plane or an uppercase script letter.

Front

What is a point?

Back

A location in space with no dimensions.

Front

What is a ray?

Back

A part of a line that starts at a point and extends infinitely in one direction.

Front

What are collinear points?

Back

Points that lie on the same straight line.

Front

What are parallel lines?

Back

Lines in the same plane that never intersect.

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).