Classify Triangles

What is the name of a triangle that has all three angles less than 90 degrees?

• Equilateral triangle

• Right triangle

• Acute triangle

• Obtuse triangle

Tags

CCSS.4.G.A.2

Which type of triangle has two sides of equal length?

• Scalene triangle

• Equilateral triangle

• Right triangle

• Isosceles triangle

Tags

CCSS.4.G.A.2

How many sides of equal length does an equilateral triangle have?

• 4

• 5

• 6

• 3

Tags

CCSS.2.G.A.1

What is the name of a triangle that has all sides of different lengths?

• Right triangle

• Equilateral triangle

• Scalene triangle

• Isosceles triangle

Tags

CCSS.4.G.A.2

In a right triangle, what is the measure of the right angle?

• 60 degrees

• 90 degrees

• 180 degrees

• 45 degrees

What is the name of a triangle that has one angle greater than 90 degrees?

• Scalene triangle

• Obtuse triangle

• Right triangle

• Acute triangle

Tags

CCSS.4.G.A.2

How many sides of equal length does an isosceles triangle have?

• 4

• 2

• 5

• 3

Tags

CCSS.4.G.A.2

What is the name of a triangle that has all three sides of different lengths?

• Right triangle

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2

In an acute triangle, what is the measure of the largest angle?

• 180 degrees

• Less than 90 degrees

• Equal to 90 degrees

• Greater than 90 degrees

Tags

CCSS.HSG.CO.C.10

What is the name of a triangle that has one angle exactly 90 degrees?

• Obtuse triangle

• Acute triangle

• Right triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2