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21 Cards in this Set
- Front
- Back
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Which theorem is specific to right angles? |
Hypotenuse Leg Theorem
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What is the longest side of a right triangle? |
Hypotenuse
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What kind of a triangle has a right angle? |
Right Triangle
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Can you ever use only one letter to name an angle? |
Yes
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The sides of a right triangle that make the right angle are called the _______?
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Legs |
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If all three sides of one triangle are congruent to the corresponding three sides in a second triangle. The triangles are congruent by what postulate?
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Side Side Side
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If two triangles have two sides and the angle included between them that are congruent. The triangles are congruent using the ________ postulate.
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Side Angle Side
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Is there an Angle Angle Angle postulate?
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No
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What kinds of triangles have congruent base angles and legs?
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Isosceles Triangles
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What kinds of triangles have three equal angles and three equal sides?
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Equilateral Triangles
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"Lateral" means what?
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Side
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180
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How many degrees are in a triangle?
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Supplementary
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Two angles that add up to 180 degrees |
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An angle less than 90 degrees is:
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Acute |
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A line that crosses a pair of parallel lines is:
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Transversal |
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Alternate Interior Angles
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They are congruent angles if and only if there are two parallel lines and a transversal.
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Angles that lie in the same locations with respect to a transversal and two parallel lines are:
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Corresponding Angles |
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If two triangles are congruent, then all corresponding parts of those triangles are also congruent by what postulate?
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CPCTC
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Three
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How many sides does a triangle have?
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Triangles that are on top of each other are called:
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Overlapping Triangles |
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What does the "common" piece mean?
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It is the angle or side that both of the overlapping triangles share. |
