Classifying Triangles

Look at the sides of this triangle. What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Tags

CCSS.4.G.A.2

Look at the sides of this triangle. What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

Tags

CCSS.4.G.A.2

Look at the sides and angles of this triangle. Which type of triangle is pictured?

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

Tags

CCSS.4.G.A.2

Classify the triangle by angles and sides.

• Right Scalene
• Acute Isosceles
• Obtuse Isosceles
• Equiangular Equilateral

Tags

CCSS.4.G.A.2

A triangle with 3 congruent sides is called a(n) ______

• Isosceles Triangle

• Equilateral Triangle

• Obtuse Triangle

• Irregular Triangle

Tags

CCSS.4.G.A.2

Triangles can be classified by what two things?

• Side length

• Number of Vertices

• Angles

• Congruent Sides

Tags

CCSS.4.G.A.2

A scalene triangle has _____

• 3 different angle names

• no congruent sides

• all sides congruent

• 3 congruent angles

Tags

CCSS.4.G.A.2

An equiangular triangle has at least ____ congruent angles

• 4

• 3

• 2

• 0

Tags

CCSS.4.G.A.2

A triangle with at least one angle greater than 90 degrees is a(n) ________ triangle

• obtuse

• left

• right

• acute

Tags

CCSS.4.G.A.2

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Tags

CCSS.4.G.A.2