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Geometry Finals 1

TermDefinition
Linear Pair 2 angles that make a line, share a side. Also supplementary- equal 180
Equilateral Are sides are congruent.
Equiangular All interior angles are congruent.
Biconditional Both the conditional and its converse are true. -contains phrase "if and only if"
Collinear 2 points on the same line.
Coplanar 2 lines or 3 points on the same plain.
Skew Lines 2 lines that do not intersect, not coplanar .
Transversal A line intersects two or more lines.
Alternate exterior Opposite sides of the transversal.
Consecutive interior Same side of transversal
Circumcenters Are equidistanct from the 3 vertices.
Centroids Cut the medians into 1/3 and 2/3 length segments, and connect angles and midpoints.
Incenters Are equal distant away from each side by drawing a perpendicular line.
Orthocenters Can finish inside, on, or outside of the triangle and go from a vertex to a point perpendicular on the opposite side.
Midsegments Lines connecting two midpoints, are parallel with the side they do not touch, and are half that sides length.
Perimeter Distance around an object.
Circumference Perimeter of a circle.
Area Amount of space an object occupies.
Proof Logical argument showing the statement is true.
Regular Polygon Convex polygon that is both.
Bisector Divides the angle in half.
Congruent 2 segments have the same length/measures.
Point Has no dimention.
Line One dimension extends without end.
Plane 2-D represented by a shape has no end, three points.
Segment Has two endpoints.
Ray Consists endpoint.
Intersection Set of points have in common.
Isometric Drawing A 3-D drawing of an object.
Inequality Theorem The sum of the lengths of any 2 sides of a triangle is greater than the length of the 3rd side.
Created by: ju5134
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