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Unit 4- Geometry

Geometry Vocabulary

exterior angles that lie on opposite sides of the transversal alternate exterior angles
interior angles that lie on opposite sides of the transversal alternate interior angles
when parts of the theorem are reversed converse
angles that are in the same position on two parallel lines in relation to a transversal corresponding angles
using facts, rules, definitions, or properties to reach logical conclusions deductive reasoning
the square root of (x1-x2)^2 + (y1 - y2) ^2 distance formula
a polygon in which all angles are congruent equiangular
the four outer angles formed by two lines cut by a transversal exterior angles
a two-column proof containing statements and reasons formal proof
the side opposite the right angle in a right triangle hypotenuse
using a number of specific examples to arrive at a plausible generalization or predication inductive reasoning
a paragraph proof informal proof
four inside angles formed by two lines cut by a transversal interior angles
two sides of a right triangle that form the right angle legs
a paragraph that explains why a statement or conjecture is true paragraph proof
lines that never intersect no matter how far they extend parallel lines
two lines that intersect to form right angle perpendicular lines
a simple, closed figure formed by three or more line segments polygon
a logical argument in which each statement that is made supported by a statement that is accepted as true proof
in a right triangle, the square of the length of the hypotenuse c is equal to the sum of the squares of the lengths of the legs a and b Pythagorean Theorem
a polygon whose base is a regular polygon regular polygon
the angles of a triangle that are not adjacent to a given exterior angle remote interior angles
a statement or conjecture that can be proven theorem
a line that intersects two or more other lines transversal
a figure formed by three line segments that intersect only at their endpoints triangle
a formal proof that contains statements and reasons organized in two columns two-column proof
Created by: mjhunter