Classifying Triangles and Angles

What is a triangle with all sides of different lengths called?

• Scalene triangle

• Right triangle

• Isosceles triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2

How many degrees are in the sum of all angles in a triangle?

• 360 degrees

• 90 degrees

• 270 degrees

• 180 degrees

Tags

CCSS.8.G.A.5

What is a triangle with one angle greater than 90 degrees called?

• Right triangle

• Acute triangle

• Obtuse triangle

• Straight triangle

Tags

CCSS.4.G.A.2

In an equilateral triangle, how many sides are of equal length?

• 3

• 2

• 5

• 4

Tags

CCSS.4.G.A.2

What is a triangle with all angles less than 90 degrees called?

• Equilateral triangle

• Right triangle

• Obtuse triangle

• Acute triangle

Tags

CCSS.4.G.A.2

What is a triangle with one angle equal to 90 degrees called?

• acute triangle

• obtuse triangle

• isosceles triangle

• right triangle

Tags

CCSS.4.G.A.2

What is a triangle with two sides of equal length called?

• right triangle

• isosceles triangle

• scalene triangle

• equilateral triangle

Tags

CCSS.4.G.A.2

What is a triangle with one angle equal to 180 degrees called?

• Degenerate triangle

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

Tags

CCSS.7.G.A.2

In an isosceles triangle, how many sides are of equal length?

• 1

• 3

• 4

• 2

Tags

CCSS.2.G.A.1

What is a triangle with all angles equal to 60 degrees called?

• Equilateral triangle

• Right triangle

• Isosceles triangle

• Scalene triangle

Tags

CCSS.4.G.A.2