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