Triangle Vocabulary

Front

Two angles or lengths that have the same measure

Back

Congruent

Front

In a triangle, how many total degrees are there?

Back

180 degrees

Front

Triangle that has two congruent sides

Back

Isosceles Triangle

Front

Triangle that has three congruent sides

Back

Equilateral Triangle

Front

A three sided shape with 1 right angle & 2 acute angles

Back

Right Triangle

Front

A triangle with all angles less than 90 degrees

Back

Acute Triangle

Front

A triangle with one angle greater than 90 degrees

Back

Obtuse Triangle

Front

The longest side of a right triangle, opposite the right angle

Back

Hypotenuse

Front

The sum of the interior angles of any triangle

Back

180 degrees

Front

A triangle with all sides of different lengths

Back

Scalene Triangle