Triangles: Classifying and finding measures

An acute triangle has __________ angles that each measure less than 90°.

• one

• two

• three

• four

Tags

CCSS.4.G.A.2

What type of triangle is this?

• Equilateral

• Isosceles

• Scalene

• Obtuse

Tags

CCSS.4.G.A.2

What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

Tags

CCSS.4.G.A.2

Which type of triangle is pictured?

• Equilateral Triangle
• Right Isosceles Triangle
• Obtuse Scalene Triangle
• Obtuse Equilateral Triangle

Tags

CCSS.4.G.A.2

This is . . . (choose the best answer)

• a scalene equiangular triangle

• an acute isosceles triangle

• an equilateral equiangular triangle

• an acute triangle

Tags

CCSS.4.G.A.2

This is . . .

• a scalene triangle

• an acute triangle

• an isosceles triangle

• an obtuse triangle

Tags

CCSS.4.G.A.2

This is . . .

• an acute triangle

• an obtuse triangle

• a right triangle

• an equilateral triangle

Tags

CCSS.4.G.A.2

Select the triangle that is acute, isosceles, and equilateral.

• 
• 
• 

Tags

CCSS.4.G.A.2

• acute
• obtuse
• right

Tags

CCSS.4.G.A.2

Solve for the missing angle with the question mark. 

• A
• B
• C
• D

Tags

CCSS.8.G.A.5