Triangle Angle Theorems Quiz

Triangle Angle Theorems Quiz

By Dana Marshall

Home

Open in new tab

Copy link

Multiple Choice

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Multiple Choice

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

Multiple Choice

Solve for x.

• 16
• 11
• 50
• 6

Multiple Choice

Angles that are exactly 90 degrees are called _____ ______.

• tight angles
• acute angles
• obtuse angles
• right angles

Multiple Choice

What is the complement angle to 30°?

• 60°
• 30°
• 150°
• 230˚

Multiple Choice

What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?

• 43
• 58
• 72
• 101

Multiple Choice

Which of the following terms best describes Angle d?

• Remote interior angle
• Corresponding angle
• Exterior angle
• Interior angle

Multiple Choice

Find the indicated angle measure. (What is ?)

• 51°

• 37°

• 167°

• 41°

Multiple Choice

What is the measure of x?

• 101°

• 111°

• 121°

• 131°

Multiple Choice

Solve for x

• 3

• 4

• 2

• 1