Review Classify Triangles

Which would be the best classification for the triangle shown?

• acute isosceles

• right scalene

• acute scalene

• obtuse scalene

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

• 47

• 57

• 53

• 133

A triangle that has 3 acute (less than 90 degrees) angles.

• acute triangle

• right triangle

• obtuse triangle

A triangle that has one obtuse (greater than 90 degrees) angle.

• acute triangle

• right triangle

• obtuse triangle

A triangle that has on right (90 degree) angle.

• acute triangle

• obtuse triangle

• right triangle

A triangle that has no sides with the same length.

• equilateral triangle

• scalene triangle

• isosceles triangle

What type of triangle is this?

• right

• scalene

• equilateral

• isosceles

A triangle that has three sides with the same length.

• equilateral triangle

• isosceles triangle

• scalene triangle

A triangle that has at least two sides with the same length.

• equilateral triangle

• isosceles triangle

• scalene triangle