Classifying Triangles

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

• one

• two

• three

• four

Tags

CCSS.4.G.A.2

An isosceles triangle has _________ equal sides.

• one

• two

• three

• four

Tags

CCSS.4.G.A.2

An ____________ triangle has three equal sides.

• isosceles

• equilateral

• scalene

Tags

CCSS.4.G.A.2

An obtuse triangle has one angle that measures _____________ 90°.

• less than

• exactly

• more than

Tags

CCSS.4.G.A.2

A _________ triangle has no equal sides.

• scalene

• isosceles

• equilateral

Tags

CCSS.4.G.A.2

A triangle with all equal sides and one 90 degree angle is what kind of triangle?

• acute equilateral

• right equilateral

• right scalene

• acute isosceles

Tags

CCSS.4.G.A.2

What are the three ways to classify triangles by their sides?

• equilateral, right, isosceles

• scalene, obtuse, right

• equilateral, isosceles, scalene

• acute, right, isosceles

Tags

CCSS.4.G.A.2

Identify the triangle by its sides and angles.

• Obtuse Equilateral

• Obtuse Isosceles

• Isosceles

• Acute Scalene

Tags

CCSS.4.G.A.2

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Right Equilateral

Tags

CCSS.4.G.A.2

Identify the triangle by its sides and angles

• Equilateral

• Obtuse Equilateral

• Acute Equilateral

• Acute Isosceles

Tags

CCSS.4.G.A.2