Angles in a Triangle 6.5.6

What is the sum of angles in a triangle?

• 360

• 270

• 90

• 180

Tags

CCSS.8.G.A.5

What type of triangle has all angles equal?

• equilateral triangle

• isosceles triangle

• right triangle

• scalene triangle

Tags

CCSS.4.G.A.2

What type of triangle has two sides of equal length?

• equilateral

• scalene

• right

• isosceles

Tags

CCSS.4.G.A.2

What type of triangle has all sides of different lengths?

• right

• scalene

• equilateral

• isosceles

Tags

CCSS.4.G.A.2

If one angle in a triangle is 60 degrees and another angle is 40 degrees, what is the measure of the third angle?

• 80

• 20

• 100

• 120

Tags

CCSS.8.G.A.5

If one angle in a triangle is 90 degrees and another angle is 45 degrees, what is the measure of the third angle?

• 90

• 135

• 180

• 45

Tags

CCSS.8.G.A.5

If one angle in a triangle is 120 degrees and another angle is 30 degrees, what is the measure of the third angle?

• 60

• 90

• 30

• 120

Tags

CCSS.8.G.A.5

If one angle in a triangle is 75 degrees and another angle is 45 degrees, what is the measure of the third angle?

• 30

• 60

• 120

• 90

Tags

CCSS.8.G.A.5

If one angle in a triangle is 100 degrees and another angle is 50 degrees, what is the measure of the third angle?

• 30

• 40

• 90

• 60

Tags

CCSS.8.G.A.5

If one angle in a triangle is 80 degrees and another angle is 60 degrees, what is the measure of the third angle?

• 40

• 140

• 100

• 120

Tags

CCSS.8.G.A.5