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16 Cards in this Set
- Front
- Back
What is a line?
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A straight path that continues without end in both directions.
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What is a line segment?
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A part of a line that has two end points.
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What is a ray?
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A part of a line that has one end point and the other end continues forever.
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What are parallel lines?
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Two lines that never meet.
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What are perpendicular lines?
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Two lines that meet and make a square corner (90º).
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What is an acute angle?
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An angle larger than 0º and smaller than 90º.
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What is an obtuse angle?
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An angle that is larger than 90º and smaller than 180º.
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What is a right angle?
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An angle that is 90º.
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What is a polygon?
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A closed figure with sides that are line segments.
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What is a quadrilateral?
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A polygon with 4 sides.
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What is a pentagon?
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A polygon with 5 sides.
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What is a parallelogram?
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A quadrilateral with two pairs of parallel lines.
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What is a hexagon?
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A polygon with 6 sides.
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What is a triangle?
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A polygon with 3 sides.
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What is an octagon?
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A polygon with 8 sides.
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What is a rhombus?
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A quadrilateral with four equal sides.
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