Classify Triangle by Angles

Classify this triangle by its sides and angles.

• right

• obtuse

• isosceles

• scalene

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles.

• acute

• obtuse

• isosceles

• equilateral

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles.

A triangle has angle measurements of 20°, 140°, and 20°

• acute

• obtuse

• isosceles

• equilateral

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles.

• acute

• obtuse

• isosceles

• equilateral

Tags

CCSS.4.G.A.2

What types of triangles describe the kind of angles a triangle has? Pick all that apply.

• Acute

• Obtuse

• Right

• Equilateral

Tags

CCSS.4.G.A.2

Classify this triangle by angles:

• Acute

• Obtuse

• Right

• Isosceles

Tags

CCSS.4.G.A.2

Classify this triangle by angles:

• Acute

• Obtuse

• Right

• Scalene

Tags

CCSS.4.G.A.2

Correct the error in classifying this triangle

• It is acute and isosceles

• It is obtuse and isosceles

• It is right and scalene

• It is obtuse and scalene

Tags

CCSS.4.G.A.2

A mosaic is pattern or picture made of small pieces of colored material. Classify the yellow triangle used in the mosaic.

• Equilateral Acute Triangle

• Isosceles Acute Triangle

• Scalene Acute Triangle

• Isosceles Obtuse Triangle

Tags

CCSS.4.G.A.2