Acute, Right or Obtuse Triangles

Classify this triangle by angles:

• Acute

• Obtuse

• Right

• Scalene

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

• Scalene

Tags

CCSS.4.G.A.2

Classify this triangle by angles:

• Acute

• Obtuse

• Right

• Isosceles

Tags

CCSS.4.G.A.2

Classify this triangle.

• Acute

• Obtuse

• Right

Tags

CCSS.4.G.A.2

What Type of Triangle is this?

• right triangle

• acute triangle

• obtuse triangle

Tags

CCSS.4.G.A.2

I know this is an acute triangle because

• there is a 90° angle

• all of the angles are less than 90 degrees

• there is an angle greater than 90° but less than 180°

Tags

CCSS.4.G.A.2

Which triangle has all three of its angles measuring less than 90°?

• Acute

• Right

• Obtuse

• Equilateral

Tags

CCSS.4.G.A.2

Classify this triangle.

• right

• acute

• obtuse

Tags

CCSS.4.G.A.2

An Acute Triangle has all acute angles.

• True

• False

Tags

CCSS.4.G.A.2