Type of triangles 4th grade

Acute triangles are triangles with only acute angles inside.

Select ALL the acute triangles below.

(There are 2 correct answers)

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Acute triangles are triangles with only acute angles inside.

Select all the acute triangles below:

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• 
• 
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What type of triangle is shown?

• acute

• obtuse

• right

How many sides of an Equilateral Triangle are equal in length?

• 0

• 1

• 2

• 3

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Obtuse Isosceles

• Obtuse Scalene

Identify the triangle by its sides and angles

• Equilateral

• Obtuse Equilateral

• Acute Equilateral

• Acute Isosceles

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

• acute

• right

• obtuse

• 360 degrees

What type of triangle is this?

• Equilateral

• Isosceles

• Right angled

• Obtuse

Which type of angle is pictured?

• Acute
• Right
• Obtuse
• Straight

What type of triangle is shown?

• acute

• obtuse

• right