A zero dimensional location with no length, width or depth

A one dimensional set of points with no width or depth

Non-coplanar lines

A two dimensional set of points and lines with no depth

If two lines are both perpendicular to the same plane then those two lines must be ____________.

If a line is perpendicular to each of two intersecting lines at their point of intersection, then the line is _____________ to the plane determined by them

Given a line and a point on that line, how many planes passing through that point are perpendicular to that line

If a line is perpendicular to a plane, then how many planes containing the line are perpendicular to the given plane?

Description

Answer

Coplanar lines that do not intersect, or planes that do not intersect are _____________.

If two planes are perpendicular to the same line, then they must be ____________.

If a plane intersects two parallel planes, what is formed by the intersections?

If a line is perpendicular to a plane, then any line perpendicular to the given line at its point of _____________ with the given plane is in the given plane

Lines or planes that intersect at right angles are ____________.

Lying on the same line

Given a plane and a point on that plane, how many lines passing through that point that are perpendicular to that plane?

Two planes are perpendicular to each other if and only if one plane contains a line that is ______________ to the second plane