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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 |