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Definition
| A segment that can be measured because it has two endpoints. |
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Definition
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| Segments that have the same measure |
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| Distance(Between 2 Points) |
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Definition
| The length of the segment with those points as its endpoints. |
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Definition
| The point halfway between the endpoints of a segment. |
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Definition
| The point of intersection of two lines crossing at the midpoint. |
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Definition
| Any segment,line, or plane that intersects a segment at its midpoint. |
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| A part of a line with one endpoint. |
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Definition
| Two non collinear rays that have a common endpoint. |
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Definition
| The units angles are measured in. |
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Definition
| A ray that divides an angle into two congruent sides. |
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Definition
| An angle below 90 degrees. |
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Definition
| An angle that is above 90 degrees. |
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Definition
| An angle that is 90 degrees. |
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Definition
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Definition
| Two angles that lie in the same plane and have a common vertex and a common side, but no common interior. |
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Definition
| Two nonadjacent angles formed by two intersecting lines. |
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Term
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Definition
| Two angles with measures that have the sum of 90 degrees. |
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Term
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Definition
| Two angles with measures that have a sum of 180 degrees. |
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Definition
| A pair of adjacent angles with noncommon sides that are opposite rays. |
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Definition
| Lines,segments,or rays that form right angles. |
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Term
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Definition
| Made up of points and has no thickness or width. |
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Term
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Definition
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Definition
| A flat surface made up of points that extend indefinitely in all directions. |
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Definition
| Points that lie on the same line. |
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Term
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Definition
| Points that lie in the same plane. |
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Term
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Definition
| Reasoning that uses a number of specific examples to arrive at a conclusion. |
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Term
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Definition
| A concluding statement reached using inductive reasoning. |
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Term
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Definition
| One false example to show that a conjecture is not true. |
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Term
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Definition
| A sentence that is true or false. |
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Term
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Definition
| Has the opposite meaning as well as an opposite truth. |
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Term
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Definition
| The phrase immediately following the word if of a conditional statement. |
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Term
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Definition
| The phrase immediately following the word then of a conditional statement. |
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Term
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Definition
| A statement that can be in if-then form. |
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Term
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Definition
| The conjuction of a conditional statement and its converse. |
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Term
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Definition
| By exchanging the hypothesis and conclusion of the conditional. |
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Term
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Definition
| By negating both the hypothesis and conclusion of the conditional. |
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Term
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Definition
| By negating both the hypothesis and the conclusion of the converse of the conditional. |
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Term
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Definition
| If p->q is a true statement and p is true, then q is true. |
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Term
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Definition
| If p->q and q->r are true. Statements, then p->r is a true statement. |
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Term
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Definition
| Uses facts,rules, and definitions, or properties to reach logical conclusions from given statements. |
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Term
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Definition
| A statement that is accepted as true without proof. |
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Term
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Definition
| Coplanar lines that do not intersect. |
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Term
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Definition
| Lines that do not intersect and are not coplanar |
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Term
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Definition
| A line that intersects two or more coplanar lines at two different points. |
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Definition
| A nonadjacent interior angles that lie on opposite sides of a transversal. |
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Term
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Definition
| A nonadjacent exterior angles that lie on opposite sides of a tranversal. |
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Term
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Definition
| Lie on the same side of transversal and on the same side of lines q and r. |
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Term
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Definition
| Are interior angles that lie on the same side of a transversal. |
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Term
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Definition
| Exterior angles that lie on the same of a transversal. |
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Definition
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Definition
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Definition
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Definition
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Definition
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Definition
| At least 2 congruent sides. |
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Term
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Definition
| The side opposite to the right angle of a triangle. |
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Term
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Definition
| When a bisector is perpendicular to the segment. |
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Term
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Definition
| When three or more lines intersect at a common point. |
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Term
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Definition
| The point where concurrent lines intersect. |
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Term
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Definition
| The point of concurrency of the perpendicular bisector. |
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Term
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Definition
| The angle bisectors' of a triangle are concurrent, and their point of concurrency. |
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Term
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Definition
| A segment with endpoints being a vertex of a triangle and the midpoint of the the other side. |
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Term
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Definition
| The point of concurrency of the medians of a triangle. |
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Term
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Definition
| A segment from a vertex to the line containing the opposite side and perpendicular |
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Term
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Definition
| The lines containing the altitudes of a triangle are concurrent, intersecting at the the orthocenter. |
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