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Definition
| A line that intersects two coplanar lines at two distinct points. |
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Term
| Alternate interior angles |
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Definition
| Are non-adjacent interior angles that lie on opposite sides of the transversal. |
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Term
| Same-side interior angles |
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Definition
| Are interior angles that lie on the same side of the transversal. |
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Term
| Same-side interior angles theorem |
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Definition
| If a transversal intersects two parallel lines, then same-side interior angles are supplementary. |
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Term
| Alternate exterior angles theorem |
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Definition
| If a transversal intersects two parallel lines, then alternate exterior angles are congruent. |
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Term
| Same-side exterior angles theorem |
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Definition
| If a transversal intersects two parallel lines, then same-side exterior angles are supplementary. |
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Term
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Definition
| Are angles that lie on the same side of the transversal in corresponding positions. |
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Term
| Converse of corresponding angles |
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Definition
| If two lines and a transversal form corresponding angles that are congruent, then the two lines are parallel. |
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Term
| Converse of Alternate interior angles |
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Definition
| If two lines and a transversal form alternate interior angles are congruent, then the two lines are parallel. |
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Term
| Converse of same-side interior angles |
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Definition
| If two lines and a transversal form same-side interior angles that are supplementary, then the two lines are parallel. |
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Term
| Converse of the alternate exterior angles |
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Definition
| If two lines and a transversal form alternate exterior angles are congruent then, the two lines are parallel. |
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Term
| Converse of same-side exterior angles |
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Definition
| If two lines and a transversal form same-side angles that are supplementary then, the two lines are parallel. |
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Definition
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Definition
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Definition
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Definition
| Has three congruent angles. |
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Term
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Definition
| Has three congruent sides. |
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Term
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Definition
| Has at lease two sides congruent. |
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Term
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Definition
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Term
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Definition
| Is an angle formed by a side and an extension of an adjacent side. |
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Term
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Definition
| Are two non-adjacent interior angles corresponding to each exterior of a triangle. |
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Term
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Definition
| The measure of each exterior angle of a triangle equals the sum of the measures of the two remote interior angles. |
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Term
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Definition
| Is a closed plane figure with at least three sides that are segments. |
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Term
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Definition
| Does not have diagonal points outside the polygon. |
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Term
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Definition
| Has at least one diagonal with points outside the polygon. |
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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
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Definition
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Definition
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Definition
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Definition
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Term
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Definition
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Term
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Definition
| The sum of the measures of the angles of an n-gon is 180(n-2). |
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Term
| Slope intercept form of a linear equation |
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Definition
| Is y=mx+b where M is the slope and B is the y-intercept. |
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Term
| Standard form of a linear equation |
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Definition
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Term
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Definition
| Are polygons that have corresponding sides congruent and corresponding angles congruent. |
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Term
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Definition
| If two angles and a non-included side of one triangle are congruent to two angles and the corresponding non-included side of another triangle, then the two triangles are congruent. |
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Term
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Definition
| If three sides of one triangle are congruent to the tree sides of another triangle, then the two triangles are congruent. |
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Term
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Definition
| If two sides and the included angle of one triangle are congruent to two sides and the included angle of another and the included angle of another triangle, then the two triangles are congruent. |
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Term
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Definition
| If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the two triangles are congruent. |
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Term
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Definition
| Corresponding Parts of Congruent Triangles are Congruent. |
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Term
| Legs of an Isosceles triangle |
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Definition
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Term
| Base of a isosceles triangle |
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Definition
| Is the third or non-congruent side. |
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Term
| Vertex of an isosceles triangle |
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Definition
| Are formed by two congruent legs. |
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Term
| Base angles of an isosceles triangle |
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Definition
| Are formed by the base and legs. |
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Term
| Isosceles triangle theorem |
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Definition
| If two sides of a triangle are congruent, then the angles opposite those sides are congruent. |
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Term
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Definition
| Is a statement that follows after a theorem. |
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Term
| Converse of isosceles triangle |
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Definition
| If two angles of a triangle are congruent, then the sides opposite of the angles are congruent. |
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