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Definition
| Represented by a dot, named by a capital letter. |
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Definition
| Made of points and extends without end in both directions, named by a single lower case letter or 2 points on the line. |
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Definition
| Flat surface that has no thickness and extends forever, named with a script capital letter or 3 points not on a line. |
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| Parts of a line that starts as an end point and extends forever in one direction, named by the endpoint and one other point. |
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| Two rays hat have a common endpoint and another point on each ray. |
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Definition
| Part of a line that begins at a point and ends at another named by end points. |
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Definition
| Points are all on one line |
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Definition
| Segments that have the same lengths |
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Definition
| Uses Conditional Statement,conjectures, converses, and biconditionals |
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Term
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Definition
| statement written in the form "If p, the q" |
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Term
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Definition
| Switch the hypothesis and conclusion |
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Term
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Definition
| The "If part of the conditional statement |
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Definition
| the "then" part of the conditional statement |
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Definition
| one example where the conditional statement is not true |
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Definition
| Statement accepted without proof |
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Term
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Definition
| any statement that you can prove. Once you have proven a theorem, you can sue it as a reason later in proofs |
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Definition
| Two angles whose measurement have a sum of 180 |
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Term
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Definition
| Two angles whose measurement have a sum of 180 |
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Term
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Definition
| Angles that have the same measure |
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Term
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Definition
| Two angles in the same common vertex. AND a common side, but NO common interior |
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Term
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Definition
| Two nonadjacent angles formed by two intersecting lines. |
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Term
| Alternate interior angles |
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Definition
| two non adjacent interior angles on opposite sides of the transversal |
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Term
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Definition
| Two non adjacent exterior angles on opposite sides of the transversal |
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Term
| Same side interior angles |
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Definition
| Two non interior angles on the same side of the transversal |
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Term
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Definition
| If two angles for a linear pair, then they are supplementary |
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Term
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Definition
| segment that divides a angle in two angles |
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Term
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Definition
| point that divides a segment in two congruent segments |
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Term
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Definition
| a line that is perpendicular to a segment and goes through at the midpoint |
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Term
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Definition
| Figure formed by 3 segments join three noncoliniar points |
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Term
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Definition
| Lines that are non-coplanar and don't intersect |
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Term
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Definition
| Lines that don't intersect |
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Definition
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Definition
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Term
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Definition
| greater than 90 degrees less than 180 degrees |
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Definition
| Formed by two opposite rays equals 150 degrees |
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Definition
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Definition
| At least two congruent sides |
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Definition
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Term
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Definition
| Three acute angles in a triangle |
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Term
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Definition
| One right angle in a triangle |
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Term
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Definition
| One obtuse angle in a triangle |
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Term
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Definition
| Three congruent acute angles in a triangle |
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Definition
| an angle formed by two adjacent sides of a polygon |
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Term
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Definition
| the common side of two consecutive angles in a polygon |
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Definition
| Longest side of a triangle |
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Term
| Leg (of a right triangle) |
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Definition
| two other sides of the triangles |
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Term
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Definition
| a segment that has one endpoint at a vertex of a triangle and the other endpoint on the opposite side, so that the altitude is perpendicular to the opposite side |
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Term
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Definition
| a segment that connects a vertex of a triangle to the midpoint of the opposite side of the triangle |
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Term
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Definition
| in a tight triangle the square of the hypotenuse is equal to the sum of the squares of the legs |
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Term
| Consecutive interior angles |
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Definition
| Angles that lie between two lines and are on the same side of the transversal. |
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Definition
| A line that intersects more than one line |
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Definition
| Two lines that intersect that connect to form a right triangle |
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Term
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Definition
| Two triangles are said to be congruent if their corresponding sides and angles are equal |
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