Acute, Obtuse, and Right Triangles

Name this triangle.

• acute triangle

• right triangle

• straight triangle

• obtuse triangle

Tags

CCSS.4.G.A.2

What is the measurement of a right angle?

• 70

• 80

• 90

• 180

Tags

CCSS.4.G.A.1

What type of triangle is shown?

• acute

• obtuse

• right

Tags

CCSS.4.G.A.2

What type of triangle is shown?

• acute

• obtuse

• right

Tags

CCSS.4.G.A.2

In an ______________ triangle, all three angles are less than 90 degrees.

• acute

• right

• obtuse

• 360 degrees

Tags

CCSS.4.G.A.2

Which type of angle is pictured?

• Acute

• Right

• Obtuse

• Straight

Tags

CCSS.4.G.A.1

Acute triangles are triangles with only acute angles inside.

Select ALL the acute triangles below.

(There are 2 correct answers)

• 
• 
• 
• 

Tags

CCSS.4.G.A.2

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Obtuse Isosceles

• Obtuse Scalene

Tags

CCSS.4.G.A.2

Acute triangles are triangles with only acute angles inside.

Select all the acute triangles below:

• 
• 
• 
• 

Tags

CCSS.4.G.A.2

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

• acute

• right

• obtuse

• 360 degrees

Tags

CCSS.4.G.A.2