Exploring Interior Angles of Triangles

What is the sum of the interior angles of any triangle?

• 270 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

If angle 1 is 62 degrees and angle 3 is 35 degrees, what is the measure of angle 2?

• 83 degrees

• 85 degrees

• 88 degrees

• 90 degrees

Tags

CCSS.7.G.B.5

Given angle 2 is 48 degrees and angle 3 is 93 degrees, what is the measure of angle 5?

• 50 degrees

• 45 degrees

• 39 degrees

• 55 degrees

Tags

CCSS.7.G.B.5

If 5x + 3x = 8x and 90 + 5 + 5 = 100, what is the value of x?

• 8

• 5

• 12

• 10

Tags

CCSS.8.G.A.5

What is the measure of angle A if 5x + 5 and x = 10?

• 50 degrees

• 60 degrees

• 45 degrees

• 55 degrees

Tags

CCSS.7.G.B.5

If 13x - 3 and 6x + 1 are angles in a triangle, what is the value of x when their sum is 180 degrees?

• 7

• 6

• 5

• 4

Tags

CCSS.8.G.A.5

What is the measure of angle D if 13x - 3 and x = 6?

• 80 degrees

• 75 degrees

• 70 degrees

• 65 degrees

Tags

CCSS.7.G.B.5

If 2x and 2x are angles in a triangle, what is the value of x when their sum is 180 degrees?

• 35

• 20

• 25

• 30

Tags

CCSS.8.G.A.5

What is the measure of angle G if 2x and x = 25?

• 45 degrees

• 50 degrees

• 55 degrees

• 60 degrees

Tags

CCSS.7.G.B.5

In triangle JKL, if angle K is three times the measure of angle J, what is the measure of angle K?

• 75 degrees

• 45 degrees

• 30 degrees

• 60 degrees

Tags

CCSS.8.G.A.5