Naming Triangles

Classify this triangle by its sides and its angles.

• obtuse scalene

• equilateral acute

• acute right

• right isosceles

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles. 

• obtuse scalene
• right isosceles
• obtuse isosceles
• acute isosceles

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles. 

• obtuse scalene
• acute scalene
• equilateral triangle

• acute isosceles

Tags

TEKS.MATH.4.6C

Classify this triangle by its sides and angles. 

• obtuse scalene
• equilateral triangle

• right isosceles
• obtuse equilateral

Tags

TEKS.MATH.4.6C

Classify this triangle by its sides and angles. 

• right isosceles
• acute scalene
• obtuse scalene
• acute isosceles

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles.

• right isosceles

• obtuse scalene

• acute equilateral

• obtuse equilateral

Tags

CCSS.4.G.A.2

Select the letter that represents an obtuse triangle. 

• A
• B
• C
• D

Tags

CCSS.4.G.A.2

Select the letter that represents a right isosceles triangle. 

• A
• B
• C
• D

Tags

CCSS.4.G.A.2

What is an isosceles triangle?

• a triangle with 2 congruent sides.

• Adds up to 160

• a triangle with 3 congruent sides

• a triangle with all angles less than 90⁰

Tags

CCSS.2.G.A.1

What type of triangle is this?

• Scalene
• Isosceles
• Equilateral
• Obtuse

Tags

CCSS.HSG.GPE.B.7