Triangle Interior Angles

In a triangle, how many total degrees are there?

• 100 degrees

• 180 degrees

• 360 degrees

• it varies

Find the measure of the indicated angle.

• 95 degrees

• 35 degrees

• 85 degrees

• 45 degrees

Find the missing angle.

• 29°

• 49°

• 39°

• 59°

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80 degrees

• 60 degrees

• 100 degrees

• 90 degrees

Find the measure of the missing angle.

• 90°

• 130°

• 10°

• 50°

What is the name of this kind of triangle?

• Right

• Scalene

• Isosceles

• Equilateral

Find the value of x.

• 41 degrees

• 31 degrees

• 45 degrees

• 98 degrees

Find z.

• 86°

• 68°

• 44°

• 34°

What is the measure of angle 2?

• 50 degrees

• 115 degrees

• 65 degrees

• 90 degrees

What is the name used for the angle formed by the equal sides of an isosceles triangle?

• right angle

• vertex angle

• adjacent angle

• base angle