Angles Basic Quiz

What type of angle measures exactly 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

Which of the following angles is an obtuse angle?

• 45 degrees

• 90 degrees

• 120 degrees

• 180 degrees

If one angle in a triangle measures 50 degrees and the second angle measures 60 degrees, what is the measure of the third angle?

• 70 degrees

• 60 degrees

• 50 degrees

• 80 degrees

How many degrees are in the angles of a triangle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

What is the measure of an angle that is smaller than a right angle?

• Obtuse angle

• Acute angle

• Straight angle

• Reflex angle

When measuring an angle with a protractor, where should you place the center of the protractor?

• On the vertex of the angle

• On the midpoint of one of the arms

• Outside the angle

• Anywhere on the paper

If an angle measures more than 90 degrees but less than 180 degrees, it is called:

• An acute angle

• A right angle

• An obtuse angle

• A straight angle

What is the correct way to read the measurement of an angle using a protractor?

• Start from the right and read to the left

• Start from the left and read to the right

• Always start from 0 degrees

• It depends on the direction of the angle

If two angles in a triangle measure 35 degrees and 75 degrees, what is the measure of the third angle?

• 70 degrees

• 80 degrees

• 90 degrees

• 100 degrees

An angle that measures exactly 180 degrees is called:

• An acute angle

• An obtuse angle

• A right angle

• A straight angle