4.1 Triangles

What triangle has one right angle and 2 acute angles?

• acute triangle

• right triangle

• obtuse triangle

Tags

CCSS.4.G.A.2

What triangle has 1 obtuse angle and 2 acute angles?

• scalene triangle

• right triangle

• obtuse triangle

Tags

CCSS.4.G.A.2

Classify by side.

• Isosceles
• Scalene
• Equilateral

Tags

CCSS.4.G.A.2

Classify by angle

• Equilateral
• Right
• Acute
• Obtuse

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles. 

• right scalene
• obtuse equilateral
• right isosceles
• obtuse isosceles

Tags

CCSS.4.G.A.2

Classify this triangle by its sides and angles. 

• right isosceles
• obtuse scalene
• equilateral equiangular
• obtuse isosceles

Tags

CCSS.4.G.A.2

Select the letter that represents  an obtuse scalene triangle. 

• A
• B
• C
• D

Tags

CCSS.4.G.A.2

Select the letter that represents a right  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

Which would be the best classification for the triangle shown?

• acute isosceles
• equiangular scalene
• equiangular isosceles
• equiangular equilateral

Tags

CCSS.4.G.A.2