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Same side interior angles are two angles that are on the same side of the transversal and on the interior of (between) the two lines.

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Having equal angles.

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A shape with 3 or more sides

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a point or value that marks the end of a ray or one of the ends of a line segment or interval.

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The line segment that connects the two sides of the midpoint

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The line segment that joins the midpoint

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Vertical angles are opposite angles made by 2 intersecting lines.

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A line which goes into the same direction infinitely.

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A line that goes through two or more parallel lines.

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Figures that have similar shapes and ratios where the corresponding sides are equal.

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Refers to a polygon that is inscribed to another shape.

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Transformations are the 4 ways that manipulate a shape. The ways are translation, rotation, reflection, and dilation. In every single one of the transformations, the pre-image is changed.

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The space between two crossing lines or surfaces. Can also be close to the point  where they meet.

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Sum of the measure of the interior angles of a convex (polygon)

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Sum of the measure of the interior angles of a convex (polygon)

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divide the sum of the angles by the number of sides

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Perpendicular lines are when 2 lines meet/intersect at a 90 degree angle.

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Angles that are on the same side and on the outside of the parallel lines are same- side exterior angles.

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the mirror image of the original image.

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A proportion is a statement that has a constant coefficient.

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Angles of a triangle that do not share a vertex/point with an exterior angle

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The line of verticality that acts as a mirror to two different figures.

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Measure of each interior angle of a regular polygon (n-gon)

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Measure of each interior angle of a regular polygon (n-gon)

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180n degrees

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Supplementary Angle: Two angles that add up to 180 degrees

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Supplementary Angle: Two angles that add up to 180 degrees

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Lines that are not parallel but never meet.

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the center of mass of geometric object.

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A line that has two end points.

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The angle formed by any side of a shape and the extension of the side that's next to it.

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Orthocenter: the point where three lines that go through the vertex meet

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Orthocenter: the point where three lines that go through the vertex meet

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The pairs of opposite angles created by two lines that are intersecting.

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A one dimensional figure that is straight.

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A point is a dot on a coordinate plane that displays a location.

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A transformation that rotates a shape around a single, fixed point.

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when all sides and angles are equal

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two angles intersected by a line relative to other angles.

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A scale factor is a number which scales, or multiplies, some quantity

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Two different lines or shapes that lay precisely on top of one another.

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Adjacent angles are angles that share a vertex and side.

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A transformation that moves an object a certain distance. Each point has to be moved the same distance

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identical; to be the same

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Two Lines that share exactly one point

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An equilateral is a shape where all the side are the same length.

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A pair of matching sides that appear in the same place in two different shapes.

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Two figures with the same shapes and sizes.

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A flat and two dimensional surface that extends infinitely

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Parallel lines: two lines a certain distance apart that never meet 

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Parallel lines: two lines a certain distance apart that never meet 

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two adjacent lines that are formed when two lines intersect

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The center of a triangle's circumcircle.

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The center of the incircle of a triangle or other figure

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something that cuts an object in two equal parts

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angles whose sum add up to 90 degrees

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A point that is common to more than one object or shape.

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A transformation that adjusts the size of a shape, making it either bigger or smaller.

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A location with no dimensions that is represented by a dot

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A special segment, line, or ray that intersects at a 90 degree angle and passes through the segment's midpoint.

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A pair of angles on the inner side of each of the two lines but they are also on the opposite sides of the transversal.