Classifying Triangles

Front

What is an Isosceles triangle?

Back

A triangle with at least two equal sides.

Front

What is an Equilateral triangle?

Back

A triangle with all three sides and all three angles equal.

Front

What is a Scalene triangle?

Back

A triangle with no equal sides.

Front

What is an Obtuse triangle?

Back

A triangle with one angle greater than 90°.

Front

What is an Acute triangle?

Back

A triangle with all angles less than 90°.

Front

How do you classify a triangle with one angle greater than 90° and no equal sides?

Back

Obtuse Scalene.

Front

How do you classify a triangle with all three angles equal?

Back

Equilateral.

Front

If a triangle has no equal sides, what type of triangle is it?

Back

Scalene.

Front

What type of triangle has two equal sides and one angle that is not equal to the others?

Back

Isosceles.

Front

What is the sum of the angles in any triangle?

Back

180°.