Box 10
Contains 178 Results:
Two lines perpendicular to the same plane are parallel, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
If two lines are parallel, every plane containing one of the lines, and only one, is parallel to the other, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
If two parallel planes are cut by a third plane, the lines of intersection are parallel, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
Two planes perpendicular to the same line are parallel, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
If two angles, not in the same plane, have their sides respectively parallel and in the same sense (lying in the same direction), the angles are equal and their planes are parallel, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
If two straight lines are cut by three parallel planes, their corresponding segments are proportional, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
If each of two intersecting planes is perpendicular to a third plane, their intersection is also perpendicular to that plane, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
Between two straight lines, not in the same plane, one common perpendicular can be drawn, and only one, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
The locus of points equidistant from the faces of a dihedral angle is the plane which bisects the dihedral angle, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
The sum of any two face angles of a trihedral angle is greater than the third face angle, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.