Congruent Triangles

Scalene Triangle

No congruent SIdes

Isosceles Triangle

At least 2 congruent sides

Equilateral Traingle

3 congruent sides

Acute

smaller than 90 degrees

Obtuse

More than 90

Triangle sum therom

The exterior angle of a Traingle equals the sum of the opposite two interior angles

Right triangle

1 right angle

Side Angle Side Theorem

2 sides and the angle between them are the same

Angle Side Angle Theorem

2 angles and the side between them are the same

2 angles and a non included side are the same

side side side

All 3 sides are the same

Hypotenuse Theorem

In right triangles, hypotenuse and 1 leg are the same

All right angles are

Congruent

What is a side labeled with

feet

Included

Between or touching

What comes up when looking at parrel

Alternatre Interior

Right Angle

90 degrees

Corollary to the Base Angles Theorem

If a triangle is equilateral then it is equiangular, meaning all angles are equal to 60 degrees