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math vocab ch. 4

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Triangle   a polygon with three sides.  
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Scalene triangles   no congruent sides.  
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isosceles triangle   at least 2 congruent sides.  
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equilateral triangle   3 congruent sides.  
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acute triangles   3 acute angles  
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right triangle   1 right angle  
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obtuse triangle   1 obtuse angle  
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equilateral triangle   3 congruent angles  
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interior angle   the original angles.  
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exterior angles   the angles that form linear pairs.  
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corollary to a theorem   a statement that can be proved easily using the theorem.  
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congruent figures   all the parts of one figure are congruent to the corresponding parts of the other figure.  
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corresponding parts   parts of a figure that correspond to each other.  
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legs   the sides adjacent to the right angle.  
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hypotenuse   the side opposite of the right angle.  
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flow proof   uses arrows to show the flow of a logical argument.  
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vertex angle   the angles formed by the legs.  
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base   the third side of a isosceles triangle.  
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base angles   the tow angles adjacent to the base angle.  
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