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Geometry Terms
Term | Definition |
---|---|
Acute Triangle | A triangle with 3 acute angles |
Right Triangle | A triangle with 1 right angle and 2 acute angles |
Obtuse Triangle | A triangle with 1 obtuse angle and 2 acute angles |
Equilateral Triangle | A triangle that has three sides of equal length |
Isosceles Triangle | A triangle that has at least two sides of equal length |
Scalene Triangle | A triangle that has three different side lengths |
Trapezoid | A quadrilateral with one pair of parallel sides |
Parallelogram | A quadrilateral with 2 pairs of parallel sides |
Rectangle | A quadrilateral with 2 pairs of parallel sides and 4 right angles |
Rhombus | A quadrilateral with 2 pairs of parallel sides and 4 sides of equal length |
Square | A quadrilateral with 2 pairs of parallel sides, 4 right angles, and 4 sides of equal length |
Polygon | A closed plane figure that is formed by three or more segments called sides |
Regular polygon | A polygon with equal side lengths and equal angle measures |
Triangle | A polygon with 3 sides |
Quadrilateral | A polygon with 4 sides |
Pentagon | A polygon with 5 sides |
Hexagon | A polygon with 6 sides |
Octagon | A polygon with 8 sides |