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2
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A four-sided polygon.
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3
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A polygon with three sides.
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5
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A 3D point defining the geometric center of a solid.
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6
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A parallelogram with 90 degree angles. A square is also a rectangle.
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7
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A triangle located round a polygon such as a circle.
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8
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A straight or curved line that intersects a circle or arc at one point only.
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9
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The number of square units required to cover a surface
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11
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A solid composed of two congruent circles in parallel planes, their interiors, and all the line segments parallel to the axis with endpoints on the two circles
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13
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A 3D point where the total weight of the body may be considered to be concentrated.
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17
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The amount of rotation needed to bring one line or plane into coincidence with another, generally measured in radians or degrees
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18
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An imaginary line through a body, about which it rotates
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21
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The numerical value of the ratio of the circumference of a circle to its diameter of approximately 3.14159.
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23
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solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
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24
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Each angular point of a polygon, polyhedron, or other figure.
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25
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To draw a figure within another so that their boundaries touch but do not intersect.
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28
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A table located in the bottom right-hand corner of an engineering drawing that identifies, in an organized way, all of the necessary information that is not given on the drawing itself.
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29
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The curved upper surface of a liquid column that is concave when the containing walls are wetted by the liquid and convex when not.
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31
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A shape generated by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant and equal to the major axis
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