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