1st Math 7 Reviewer

set of all points

• space

• figure

• coplanar

• collinear

any set of points

• space

• figure

• coplanar

• collinear

set of points that lie on the same plane

• space

• figure

• coplanar

• collinear

points that do not lie on the same plane

• noncollinear

• noncoplanar

• coplanar

• collinear

points that lie on the same line

• space

• figure

• coplanar

• collinear

points that do not lie on the same line

• noncollinear

• noncoplanar

• coplanar

• collinear

two lines with a common point

• intersecting lines

• perpendicular

• parallel lines

they intersect to form four right angles

• intersecting lines

• perpendicular

• parallel lines

coplanar lines that do not intersect

• intersecting lines

• perpendicular

• parallel lines

three or more lines that have a common point

• concurrent lines

• parallel planes

• skew lines

• intersecting planes