Review Classify Triangles

• acute

• obtuse

• right

• equilateral

• isosceles

• scalene

• equilateral

• isosceles

• scalene

A triangle has side lengths of 15 centimeters, 11 centimeters, and 9 centimeters. What kind of triangle is it?

• equilateral

• isosceles

• scalene

We can classify triangles by their...

• sides

• angles

• sides and angles

• names

Name this triangle by its angle.

• acute

• right

• obtuse

• square

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

Name this triangle by its sides.

• isosceles

• scalene

• equal

• equilateral

Name this triangle by its sides.

• equilateral

• isosceles

• scalene

• cone

Name this triangle by its angle.

• right

• obtuse

• acute

• small