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### 11 Cards in this Set

• Front
• Back
 rhombus: A parallelogram in which all sides are equal in length parallelogram: A quadrangle with parallel opposite sides. The opposite sides of a parallelogram are equal in length. polygon: A closed plane figure formed by 3 or more lines segments that meet only at their endponts. Poly=many gon=angle regular polygon: A polygon whose sides are the same length and whose angles are all equal. triangle: A Polygon with 3 sides, 3 vertices, and 3 angles. side of a triangle: The line segments that form the triangle vertex (vertices)of a triangle: Each endpoint where 2 sides meet. The plural is vertices. degree: An angle is measured by a number of degrees between 0 and 360, which can be thought of as the amount of the rotation around the vertex from one side to the other. right triangle: A triangle that has a right angle. obtuse triangle: A triangle with one angle greater than 90 degrees. rectangle: A parallelogram in which all angles have the same measure (90 Degrees). trapezoid: A quadrangle that has exactly one pair of parallel sides. No 2 sides need to be the same length. acute triangle: Each angle is less than 90 degrees. isosceles triangle: Two sides of equal length. angle: A figure formed by two rays or two line segments with a common end point. equilateral triangle: A triangle which all three sides are of equal length. kite: A quadrangle with exactly two pairs of adjacent sides that are the same length. adjacent sides: Two sides that are next to each other. square: A rectangle in which all sides are equal lengths. 1 rotation: A turn verticle: upright scalene triangle: A triangle with sides of 3 different lengths and angles. quadrangle: A 4 sided polygon.