Auxiliary lines, additional lines introduced by the planner to help establish a truth, congruent, figures with the same size and shape, complementary, two angles whose sum is 90 degrees, given, statement of beginning fact, isosceles, triangle with two equal sides, point, two straight lines can only intersect at one point, prove, the conclusion, or what is shown to be true, reasons, give support to the statements in proofs, scalene, triangle with sides of three different lengths, statements, an ordered list of information that logically follows a thought process in a proof, supplementary, two angles whose sum is 180 degrees, arc, portion of a circle that is subtended by a central angle, diameter, the measure across a circle that passes through its center, equal, if two angles in one triangle are equal to two angles in another triangle, you can conclude that the third angles are equal, hypotenuse, the side of a triangle that is always the longest, polygon, use the formula (n-2)180 to find the total number of degrees in a polygon, radius, the distance from the center of a circle to a point on the circle, tangent, a line that only touches a circle at one point.

Geometry Midterm

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