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Angles, Triangle, Quadrilaterals

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
Obtuse Angle   angle between 90 and 180 degrees  
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Acute Angle   angle less than 90 degrees  
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Right Angle   angle exactly 90 degrees  
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Straight Angle   exactly 180 degrees  
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Complementary Angles   sum of the measures equals 90 degree  
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Supplementary   sum of the measures equals 180 degrees  
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Isosceles Triangle   two equal sides  
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Equilateral Triangle   three equal sides  
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Scalene Triangle   no equal sides  
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Acute Triangle   three acute angles  
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Right Triangle   one right angle  
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Obtuse Triangle   one obtuse angle  
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The sum of all angles in a triangle   180 degrees  
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The sum of all angles in a quadrilateral   360 degrees  
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Created by: awillis1
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