Activities for Triangles

When classifying a triangle by its angles, what type of triangle has one right angle? 

• acute triangle
• right triangle
• obtuse triangle
• none of the above

A triangle has angle measurements of 26°, 59°, and 95°. What kind of triangle is it?

• acute triangle
• right triangle
• obtuse triangle
• none of the above

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?

• acute triangle
• right triangle
• obtuse triangle
• none of the above

What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

• Equilateral Triangle
• Scalene Triangle
• Isosceles Triangle
• Right Triangle

What type of triangle has 3 congruent sides?

• equilateral
• scalene
• isosceles

What type of triangle has no congruent sides?

• equilateral
• isosceles
• scalene

What type of triangle has only 2 congruent sides?

• equilateral
• isosceles
• scalene

• Equilateral
• Isosceles
• Scalene
• Right