Classifying Triangles
9th Grade · Math · 45 min
Lesson Preview
Learning Objective
I can classify triangles by their sides and angles.
- 1
Triangles can be classified by their sides and by their angles.
- 2
An equilateral triangle has 3 equal sides, an isosceles triangle has 2 equal sides, and a scalene triangle has no equal sides.
- 3
The three angles of any triangle will always add up to 180 degrees.
