Lines or planes that intersect at right angles are ____________.

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

Lying on the same line

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

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

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

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

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

A two dimensional set of points and lines with no depth

Description

Answer

Non-coplanar lines

Lying on the same plane

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

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

A one dimensional set of points with no width or depth

A zero dimensional location with no length, width or depth

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

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

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