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Geometry Part 2

McKeel summer math terms 2

perpendicular two lines that intersect to form four right angles.
plane a flat surface that extends without end in all directions.
plane figure a figure which lies in a plane.
point an exact location in space, usually represented by a dot
polygon a closed plane figure whose sides are straight lines that are connected end-point to end-point.
ray a part of a line that has a beginning but no end.
reflection a flip.
regular polygon a polygon in which all sides are congruent and all angles are congruent.
right angle an angle formed by perpendicular lines, line segments, or rays, and with ameasure of 90
rotation a movement of a figure to a new position by rotating the figure around a point.
similiar figures figures with the same shape, but not necessarily the same size.
translation the mvement of a figure by a translation, reflection, or rotation.
turn a movement of a figure to a new position by rotating or turnin the figure around a point.
vertex point where two or more rays meet: the top point of a cone.
Created by: levis