Classifying Triangles

Front

What type of triangle has one angle greater than 90° and no equal sides?

Back

Obtuse Scalene

Front

What type of triangle has all three sides of different lengths?

Back

Scalene

Front

What type of triangle has all three sides of equal length?

Back

Equilateral

Front

What type of triangle has two sides of equal length?

Back

Isosceles

Front

In an acute triangle, what is the measure of each angle?

Back

All angles are less than 90 degrees.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

What type of triangle has one angle equal to 90°?

Back

Right triangle.

Front

If a triangle has one angle greater than 90°, what type of triangle is it?

Back

Obtuse triangle.

Front

What is the definition of an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is the definition of a scalene triangle?

Back

A triangle with all sides of different lengths.