Types of Triangles

Triangles always have...

• 2 sides

• 3 sides

• 4 sides

• 5 sides

Tags

CCSS.7.G.A.2

Tri in latin means...

• try

• three

• four

• ten

All the angles of equilateral triangles add up to...

• 90 degrees

• 100 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.4.MD.C.7

All the angles of isosceles triangles add up to...

• 90 degrees

• 100 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.4.MD.C.7

All the angles of scalene triangles add up to...

• 90 degrees

• 100 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.4.MD.C.7

All the angles of right triangles add up to...

• 90 degrees

• 100 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.4.G.A.2

CCSS.4.MD.C.5

CCSS.4.MD.C.7

How is this chart classifying triangles?

• by the length of sides and the degree of the angles

• by the number of sides and how many vertices

• by the area and volume

• by the color and size

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

What is special about an equilateral triangle?

• has no equal sides

• has two equal sides

• has three equal sides

• the angles add up to 180 degrees

Tags

CCSS.4.G.A.2

What is special about an isosceles triangle?

• has no equal sides

• has two equal sides

• has three equal sides

• the angles add up to 180 degrees

Tags

CCSS.4.G.A.2

What is special about a scalene triangle?

• has no equal sides

• has two equal sides

• has three equal sides

• the angles add up to 180 degrees

Tags

CCSS.4.G.A.2