Classifying Triangle by Angle

Classify the triangle by angles and sides.

• Right Scalene

• Acute Isosceles

• Obtuse Isosceles

• Equiangular Equilateral

Classify the triangle by angles and sides.

• Equiangular Equilateral

• All of the above

• Acute Equilateral

• Acute Isosceles

Identify the triangle by its sides and angles.

• Obtuse Equilateral

• Obtuse Isosceles

• Isosceles

• Acute Scalene

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

• Acute Equilateral

• Right Equilateral

• Acute Isosceles

• Obtuse Isosceles

Identify the triangle by its sides and angles

• Obtuse

• Acute Isosceles

• Obtuse Scalene

• Obtuse Isosceles

All acute triangle are Equilateral

• True

• False

An acute triangle is a triangle in which ______ angles are acute angles (less than 90 degrees)

• 1

• 2

• 3

An obtuse triangle has at least one angle that is bigger than ______ degrees.

• 90

• 45

• 180