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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.
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.
rotation: A turn
verticle: upright
scalene triangle: A triangle with sides of 3 different lengths and angles.
quadrangle: A 4 sided polygon.