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36 Cards in this Set
- Front
- Back
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circumference
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the distance around a circle
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line
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a series of points that go on and on in opposite directions
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tangent
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a line that touches a curve at only one point
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rhombus
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a parallelogram with four equal sides not at right angles to each other
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parallel lines
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lines the the same plane that do not intersect
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cube
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a 3D figure with six equal square faces
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midpoint
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a point that divides a line segment into two equal parts
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parallelogram
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a quadrilateral with two pairs of parallel sides not at right angles to one another
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scalene triangle
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a triangle that has no equal sides
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right triangle
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a triangle that has one 90 degreee angle
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pentagon
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a five-sided polygon
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endpoint
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a point at the end of a line segment or ray
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diameter
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a line segment with endpoints on a circle that passes through the center of the circle
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intersecting lines
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lines in the same plane that intersect
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area of a circle
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the amount of surface inside a circle
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isosceles triangle
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a triangle that has two equal sides
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circle
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a closed curve
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line segment
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part a line consisting of a path between two endpoints
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arc
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part of a circle between any two points on the circle
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hexagon
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a six-sided polygon
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chord
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a straight line segment that has endpoints on a circle
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acute angle
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an angle that measures less than 90 degrees
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square
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a rectangle with four equal sides
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regular pentagon
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a five-sided polygon with equal sides that meet at equal angles
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point
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an exact location in space named with a capital letter
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octagon
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an eight-sided polygon
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trapezoid
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a quadrilateral that has two unequal sides paralled to each other
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perpendicular lines
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two lines in the same plane that intersect at right angles
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right angle
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an angle that measures 90 degrees
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radius of a circle
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a line segment that has one endpoint in the center of a circle and another on the circle
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obtuse angle
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an angle that measures more that 90 degrees and less than 180 degrees
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vertex
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a common endpoint of two rays that form an angle
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ray
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part of a line that extends from one endpoint in one direction indefinitely
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rectangle
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a quadrilateral that has two pairs of parallel sides at right angles to one another
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diagonal
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a line segment that joins two corners of a polygon; the two corners are not adjacent to each other
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equilateral triangle
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a triangle that has three equal sides
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