Classifying Triangles by Their Side Lengths

What are the two ways to classify triangles?

A triangle can be classified as an isosceles triangle if there are two equal sides.

What does the term scalene mean?

Identify the triangle by its sides

Which triangle is an scalene triangle?

Which type of triangle is pictured?

Match the following definitions to the correct vocabulary term.

The triangles have been classified by a shared attribute (side length or angle type). Use one of the words acute, right, obtuse, scalene, isosceles, or equilateral to label the headings to identify the way the triangles have been sorted.

Which figures belong in the part of the organizer labeled "Isosceles triangles"?

Triangles can be classified in 2 ways:

By their angles: acute, right, or obtuse

By their sides: equilateral, isosceles, scalene

Select all the ways the triangle can be classified.