Angles Triangles Review

The three interior angles in a triangle add up to how many degrees?

• 90

• 100

• 180

• 360

Tags

CCSS.8.G.A.5

Look at the triangle shown. What is the measure of the unknown angle (what is the value of x)?

• 135

• 15

• 180

• 45

Tags

CCSS.8.G.A.5

If one of the interior angles in a triangle is 45 degrees and another interior angle in a triangle is 55 degrees, what is the measure of the third angle?

• 80

• 90

• 100

• 10

Tags

CCSS.8.G.A.5

The exterior angle of a triangle is always equal to...

• the interior angle

• the sum of the two remote interior angles

• 180 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

What is the measure of angle x in the picture shown.

• 178 degrees

• 72 degrees

• 120 degrees

• 62 degrees

Tags

CCSS.8.G.A.5