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2D Geo Review
Angles, Triangle, Quadrilaterals
Question | Answer |
---|---|
Obtuse Angle | angle between 90 and 180 degrees |
Acute Angle | angle less than 90 degrees |
Right Angle | angle exactly 90 degrees |
Straight Angle | exactly 180 degrees |
Complementary Angles | sum of the measures equals 90 degree |
Supplementary | sum of the measures equals 180 degrees |
Isosceles Triangle | two equal sides |
Equilateral Triangle | three equal sides |
Scalene Triangle | no equal sides |
Acute Triangle | three acute angles |
Right Triangle | one right angle |
Obtuse Triangle | one obtuse angle |
The sum of all angles in a triangle | 180 degrees |
The sum of all angles in a quadrilateral | 360 degrees |