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Angles
If-Then
100
An angle whose measure is greater than ninety degrees.
What is an Obtuse Angle?
100
If p then q (p ---> q)
What is a Conditional Statement?
200
Two angles whose measures add up to exactly ninety degrees.
What are Complementary Angles?
200
If not p then not q (~p ---> ~q)
What is a Inverse Statement?
300
Two angles that have a common vertex and a common side, but do not have common interior points.
What are Adjacent Angles?
300
If q then p (q ---> p)
What is a Converse Statement?
400
A pair of adjacent angles whose non common sides are opposite rays. (Non common sides form a straight line.)
What is a Linear Pair?
400
If not q then not p (~q ---> ~p)
What is a Contrapositive Statement?
500
Two non adjacent angles formed by two intersecting lines.
What are Vertical Angles?
500
p if and only if q (p <---> q)
What is a Biconditional Statement?