Classifying Triangles

If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?

• Right Isosceles

• Acute Scalene

• Obtuse Scalene

• Obtuse Isosceles

If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?

• Acute Isosceles

• Equilateral

• Obtuse Scalene

• Obtuse Isosceles

In an ___________ triangle one angle is greater than 90 degrees.

• acute

• right

• obtuse

• 360 degrees

Name these triangles for their angles.

• acute

• right

• obtuse

Identify the triangle by its sides and angles.

• Obtuse Equilateral

• Obtuse Isosceles

• Isosceles

• Acute Scalene

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Right Equilateral

Identify the triangle by its sides and angles

• Equilateral

• Obtuse Equilateral

• Acute Equilateral

• Acute Isosceles

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Obtuse Isosceles

• Obtuse Scalene

Identify the triangle by its sides and angles

• Obtuse Isosceles

• Obtuse Equilateral

• Obtuse Scalene

Identify the triangle by its sides and angles

• Acute Equilateral

• Right Equilateral

• Acute Isosceles

• Obtuse Isosceles