Acute Obtuse Right Triangle

A triangle has angle measurements of 71°, 82°, and 27°. What kind of triangle is it?

• acute

• right

• obtuse

• 360 degrees

Tags

CCSS.4.G.A.2

A triangle has angle measurements of 32°, 137°, and 11°. What kind of triangle is it?

• 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

Acute triangles are triangles with only acute angles inside.

Select all the acute triangles below:

• 
• 
• 
• 

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

What Type of Triangle is this?

• Right Angled triangle

• Equilateral triangle

• Isosceles triangle

• Obtuse Triangle

• Acute Triangle

Tags

CCSS.4.G.A.2

Use the angles to classify the triangles

Tags

CCSS.4.G.A.2

Use the angles to classify the triangles

Tags

CCSS.4.G.A.2

Use the angles to classify the triangles

all angles less than 90° - acute triangle

1 angle is equal to 90° - right triangle

1 angle is greater than 90° - obtuse triangle

Tags

CCSS.4.G.A.2