Classifying Triangles

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

Tags

CCSS.8.G.A.5

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What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

Tags

CCSS.4.G.A.2

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What is the name of this kind of triangle?

• Right
• Scalene
• Isosceles
• Equilateral

Tags

CCSS.4.G.A.2

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What kind of triangle is this?

• Acute
• Right
• Obtuse
• Robot

Tags

CCSS.4.G.A.2

What kind of triangle is this?

• Acute
• Super
• Right
• Obtuse

Tags

CCSS.4.G.A.2

What kind of triangle is this?

• Acute
• Right
• Sparkly
• Obtuse

Tags

CCSS.4.G.A.2

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Tags

CCSS.4.G.A.2

• yes
• no

Tags

CCSS.2.G.A.1

A triangle has two 71° angles and one 38° angle. Is this triangle isosceles?

• yes 
• no

Tags

CCSS.2.G.A.1

A triangle has side lengths of 19 centimetres, 19 centimetres, and 20 centimetres. Is this triangle equilateral?

• equilateral triangle
• isosceles triangle  
• scalene triangle
• none of the above

Tags

CCSS.4.G.A.2