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2 cards from this section. Quick, good the night before a test.
Define intersecting lines and provide an example.
Think of where two roads cross.
What are vertical angles?
Remember that they look across from each other.
What do we call angles opposite each other when two lines intersect?
Think of crossing lines.
If two angles are complementary, what is their sum?
Consider right angles.
Given two intersecting lines creating angles of 40° and 140°, find the measures of all other angles formed.
Consider the properties of vertically opposite angles.
If a transversal cuts two parallel lines and the opposite angles are equal to 65°, what can you say about the other angles?
Think about the relationships of angles formed by parallel lines.
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