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2 cards from this section. Quick, good the night before a test.
If two lines are parallel to line l, and line m is one of these lines, what can be said about line n?
Think about the definition of parallel lines.
Given that angle QXM = 135° and angle MYR = 40°, determine angle XMY.
Remember that supplementary angles sum to 180°.
If two angles are corresponding angles and they are equal, what can we conclude about the lines they lie on?
Remember what corresponding angles indicate about the lines.
True or False: If two lines are parallel to the same line, they do not intersect.
Think about the properties of parallel lines.
Prove that if two angles are equal and form alternate angles with a transversal, the two lines must be parallel.
Consider the definition of alternate angles and their relationship with parallel lines.
In a transversal cutting across three parallel lines, if we know two angle measures, find the remaining angles using their properties.
Check if the angles are interior or exterior relative to the parallel lines.
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