Term
|
Definition
The sum of the measures of the interior angles is 180 |
|
|
Term
|
Definition
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two nonadjacent interior angles |
|
|
Term
Corollary to triangle sum theorem |
|
Definition
The acute angles of a right triangle are complementary |
|
|
Term
|
Definition
If two angles of one triangle are congruent to the corresponding angles of another triangle,then the third angles are also congruent |
|
|
Term
|
Definition
If two sides of a triangle are congruent then the angles opposite them are congruent |
|
|
Term
|
Definition
If two sides of a triangle are congruent then the angles opposite them are congruent |
|
|
Term
corollary to the base angles theorem |
|
Definition
If two angles of a triangle are,then the sides opposite to them are congruent |
|
|
Term
|
Definition
If a triangle is equilateral then it is also equiangular |
|
|
Term
|
Definition
If a triangle is equiangular then it is also equilateral |
|
|
Term
|
Definition
If the hypotenuse and a leg of a right triangle are to a second triangle's hyptotenuse and a leg then the triangle are congruent |
|
|