Geometry Sometimes Always or Never
A plane and a line not in that plane which are parallel to the same line, are parallel to each other.
Always
Fill in the blank with always, sometimes or never: Two intersecting lines ____?____ intersect in exactly one point.
Always
Squares are rhombi.
Always
Two angles that are supplementary and congruent are right angles. This statement is always, sometimes or never true
Always
a conditional statement is true, then the contrapositive is ??? true.
Always
Fill in the blank with always, sometimes or never: Two intersecting planes ____?____ intersect in exactly one point.
Never
If two parallel lines are intersected by a transversal, then the co-interior angles are complementary.
Never
In a plane, two lines perpendicular to the same line are perpendicular to each other.
Never
Skew lines are parallel.
Never
Two intersecting planes ____?____ intersect in exactly one point
Never
Two acute angles can be supplementary. This statement is always, sometimes or never true
Never
Two angles that form a linear pair and are congruent are vertical angles. This statement is always, sometimes or never true.
Never
A line which intersests one of two parallel lines intersects the other also.
Sometimes
Fill in the blank with always, sometimes or never: Three points____?_____ lie in exactly one plane
Sometimes
Fill in the blank with always, sometimes or never: Two planes ____?____ intersect
Sometimes
Fill in the blank with always, sometimes or never: Two planes ____?____ intersect.
Sometimes
If a quadrilateral is not a trapezoid, then it is a rhombus.
Sometimes
If a shape is a rectangle, then it is a rhombus.
Sometimes
If two parallel lines are intersected by a transversal, then the corresponding angles are supplementary.
Sometimes
Two angles that are complementary are also adjacent angles. This statement is always, sometimes or never true.
Sometimes
Two lines parallel to the same plane are parallel to each other.
Sometimes
Two lines skew to the same line are skew to each other.
Sometimes
Two planes parallel to the same line are parallel to each other.
Sometimes
Two planes perpendicular to a third plane are parallel to each other.
Sometimes
