Term | Definition |
complementary angles | two angles with a sum of 90 degrees. |
congruent | two figures that have lengths and angle measurements of the same size |
equilateral triangle | a triangle that has all three sides congruent. |
isosceles triangles | triangles that have at least two congruent sides |
parallelogram | a figure that is a quadrilateral with both pairs of opposite sides parallel and opposite sides congruent |
reflection | a type of transformation involving a flip of the graphed figure |
rhombus | a quadrilateral that has opposite sides parallel, all four sides congruent, and not all angles equal |
scalene triangle | triangles that have no congruent sides |
similar | figures that have congruent corresponding angles and proportional corresponding sides |
supplementary angles | two angles with a sum that equals 180 degrees |
transformation | a change in position, size, or shape of a figure on a coordinate plane. |
translation | a type of transformation involving a slide of the graphed figure |
trapezoid | a quadrilateral with exactly one set of parallel sides |
proportion | an equation that states that two ratios are equal |
corresponding angles | have the same position in two different similar figures and are congruent |
ratio | a comparison of two numbers |
corresponding sides | have the same position in two different similar figures and are proportional |
unit cost | the cost for one unit of measure |
cross products | a method that can be used to determine if two ratios are equal |