click below
click below
Normal Size Small Size show me how
Polygons
Triangles and Quadrilaterals
Term | Definition |
---|---|
Acute Triangle | An Acute Triangle is a triangle that contains only acute angles. |
Right Triangle | A Right Triangle is a triangle that contains a right angle. |
Obtuse Triangle | An Obtuse Triangle is a triangle that contains an obtuse angle. |
Equilateral Triangle | An Equilateral Triangle is a triangle that contains three sides that are equal in measure. |
Isosceles Triangle | An Isosceles Triangle is a triangle that contains at least two sides that are equal in measure. |
Scalene Triangle | A Scalene Triangle is a triangle that contains no sides that are equal in measure. |
Triangle | A Triangle is a polygon that contains three sides. |
Quadrilateral | A Quadrilateral is a polygon that contains four sides. |
Trapezoid | A Trapezoid is a Quadrilateral with exactly one pair of parallel sides. |
Parallelogram | A Parallelogram is a Quadrilateral with two pair of parallel sides. |
Rhombus | A Rhombus is a parallelogram that contains four congruent sides. |
Rectangle | A Rectangle is a parallelogram that contains four angles that measure 90 degrees. |
Square | A Square is a parallelogram that contains four angles that measure 90 degrees and four congruent sides. |
Congruent | Congruent means equal in measure. |