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Angles&Quadrilateral

Angle & Quadrilateral Definitions

QuestionAnswer
Quadrilateral Any 4-sided shape.
Trapezoid A 4-sided shape with exactly 1 pair of parallel sides.
Parallelogram A 4-sided shape with 2 pairs of parallel sides.
Rhombus A 4-sided shape with 4 congruent sides.
Rectangle A 4-sided shape with 4 congruent angles.
Square A 4-sided shape with 4 congruent sides AND 4 congruent angles.
Vertical Angles Angles formed by intersecting lines. They are across from each other and are congruent.
Adjacent Angles Angles that share a vertex and one side.
Supplementary Angles Angles that add up to 180 degrees or form a straight line.
Complementary Angles Angles that add up to 90 degrees or form a right angle.
Corresponding Angles The angles in matching corners are called
Alternate Interior Angles Each pair of these angles are inside the parallel lines, and on opposite sides of the transversal.
Alternate Exterior Angles Each pair of these angles are outside the parallel lines, and on opposite sides of the transversal.
Transversal When two lines are crossed by a third line.
Angles in a Triangle The sum of the interior angles is 180 degrees.
Angles in a Quadrilateral The sum of the interior angles is 360 degrees.
Created by: cogswelll