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28 Cards in this Set
- Front
- Back
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If the sum of the measures of two angles is 90 degrees, the angles are this
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Complementary
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A triangle with two congruent sides is this type of triangle
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Isosceles
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An instrument used to measure angles
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Protractor
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A polygon with four sides
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Quadrilateral
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A three-sided polygon
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Triangle
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Angles measuring more than 90 degrees but less than 180 degrees
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Obtuse
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An angle that measures 90 degrees
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Right Angle
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The sum of the measures of this polygon is 360 degrees
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Square (Quadrilateral)
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A triangle with congruent sides is this type
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Equilateral
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An angle having a measure greater than 0 but less than 90 degrees
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Acute Angle
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Opposite angles formed when tow lines intersect
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Vertical Angles
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The most common unit of measure for angles
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Degrees
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A triangle with no congruent sides
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Scalene
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Each angle in a rectangle is this type
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Congruent (equal measurement)
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A parallelogram with four sides the same length
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Rhombus
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A quadrilateral with both sides of opposite sides parallel
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Parallelogram
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A parallelogram with all four sides equal and all four angles equal
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Square
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The sum of the measures of this polygon is 180 degrees
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Triangle
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If the sum of two angles is 180 degrees, the angles are this
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Suppementary
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Opposite angles formed when tow lines intersect
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Vertical Angles
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The most common unit of measure for angles
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Degrees
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A triangle with no congruent sides
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Scalene
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Each angle in a rectangle is this type
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Congruent (equal measurement)
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A parallelogram with four sides the same length
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Rhombus
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A quadrilateral with both sides of opposite sides parallel
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Parallelogram
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A parallelogram with all four sides equal and all four angles equal
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Square
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The sum of the measures of this polygon is 180 degrees
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Triangle
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If the sum of two angles is 180 degrees, the angles are this
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Supplementary
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