Classifying Triangles 7th Grade

If all of the triangle side are different lengths, the triangle is an isosceles triangle.

• True

• False

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

What type of triangle is this?

• Scalene

• Isosceles

• Equilateral

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

What type of triangle is this?

• Equilateral

• Isosceles

• Scalene

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

Look at the triangle pictured. 
What do the lines (sticks) mean on a shape?

• The lines (sticks) show sides that are equal
• The lines (sticks) show sides that are not equal

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

Identify the triangle by its sides and angles.

• Obtuse Equilateral

• Obtuse Isosceles

• Isosceles

• Acute Scalene

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Right Equilateral

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Obtuse Isosceles

• Obtuse Scalene

Identify the triangle by its sides and angles

• Obtuse Isosceles

• Obtuse Equilateral

• Obtuse Scalene

Identify the triangle by its sides and angles

• Obtuse

• Acute Isosceles

• Obtuse Scalene

• Obtuse Isosceles

An acute triangle is a triangle in which ______ angles are acute angles (less than 90 degrees)

• 1

• 2

• 3