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13 Cards in this Set

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 rhombus A parallelogram with four equal sides and with corners that need not be square. line segment Two points and the straight path between them. parallel An equal distance apart, never meeting. square A rectangle whose sides are all the same length. trapezoid A quadrilateral that has one pair of parallel sides. angle Point where two line segments or rays meet. U.S. Customary measurement of lengths. inch, foot, yard, mile triangle A three-sided polygon. Metric measurements for length. millimeter, centimeter, decimeter, meter, kilometer rectangle A parallelogram whose corners are all right angles. parallelogram A quadrilateral that has two pairs of parallel sides and equal opposite sides. perimeter The distance around something. polygon A many-sided figure made up of line segments that meet at endpoints.