Classifying Triangles

Front

What type of triangle has only one obtuse angle and two congruent sides?

Back

Obtuse Isosceles Triangle

Front

How many acute angles must an acute triangle have?

Back

3

Front

What is the classification of a triangle that has all sides equal and all angles equal?

Back

Equiangular Equilateral

Front

What is the classification of a triangle that has two sides equal and all angles less than 90 degrees?

Back

Acute Isosceles

Front

What is the classification of a triangle that has no sides equal and one angle greater than 90 degrees?

Back

Obtuse Scalene

Front

What is the sum of the interior angles of any triangle?

Back

180 degrees

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute Triangle

Front

What type of triangle has one right angle?

Back

Right Triangle

Front

What is the classification of a triangle that has one angle greater than 90 degrees?

Back

Obtuse Triangle

Front

What is the classification of a triangle that has all sides of different lengths?

Back

Scalene Triangle