Classifying Triangles

Front

What type of triangle has two congruent sides?

Back

Isosceles Triangle

Front

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

Back

Acute Triangle

Front

What type of triangle has one angle greater than 90°?

Back

Obtuse Triangle

Front

What type of triangle has one right angle (90°)?

Back

Right Triangle

Front

What is a triangle with all sides and angles equal called?

Back

Equilateral Triangle

Front

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

Back

180°

Front

In an isosceles triangle, what can be said about the angles opposite the congruent sides?

Back

They are equal.

Front

What is the definition of an equiangular triangle?

Back

A triangle where all angles are equal.

Front

How can you identify a right triangle?

Back

It has one angle that measures 90°.

Front

What is the definition of an acute triangle?

Back

A triangle where all angles are less than 90°.