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EUS 7 Regular

Vocabulary for 2D Geometry

QuestionAnswer
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 triangle 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.
Created by: elizabethturner
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