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19 Cards in this Set
- Front
- Back
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ISOSCELES TRIANGLE
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A triangle with exactly two congruent sides.
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SCALENE TRIANGLE
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A triangle with no congruent sides.
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EQUILATERAL TRIANGLE
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A triangle with three congruent sides.
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HYPOTENUSE
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In a right triangle, the side opposite the right angle; the longest side in a right triangle.
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LEG
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In a right triangle, either of the two sides that form the right angle.
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FIGURATE NUMBERS
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Numbers that can be represented by geometric figures.
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TRIANGULAR NUMBERS
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Numbers that can be represented by triangular figures.
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TRAPEZOID
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A quadrilateral with exactly one pair of parallel sides.
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PARALLELOGRAM
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A quadrilateral whose opposite sides are parallel and congruent.
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RHOMBUS
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A parrallelogram with four congruent sides.
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TRANSFORMATION
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A movement of a figure to a new position by a translation, reflection, or rotation.
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TRANSLATION
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A movement of a figure to a new position along a straight line; a slide.
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REFLECTION
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A movement of a figure to a new position by flipping it over a line; a flip.
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ROTATION
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A movement of a figure to a new position by turning it around a vertex or point of rotation; a turn.
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TESSELLATION
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A repeating pattern of closed figures that covers a surface with no gaps and no overlaps.
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POLYHEDRON
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A solid figure with faces that are polygons.
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PRISM
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A solid figure that has two congruent, polygon-shaped bases, and other faces that are all rectangles.
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BASE
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A number used as a repeated factor.
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PYRAMID
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A solid figure with a polygon base and all other faces triangles that meet at a common vertex.
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