Understanding Angles in Shapes

What is the measure of a right angle?

• 180 degrees

• 45 degrees

• 120 degrees

• 90 degrees

How many degrees are in a straight angle?

• 180 degrees

• 45 degrees

• 360 degrees

• 90 degrees

Identify the type of angle that measures less than 90 degrees.

• Acute angle

• Straight angle

• Right angle

• Obtuse angle

What do you call an angle that measures more than 90 degrees but less than 180 degrees?

• Obtuse angle

• Straight angle

• Right angle

• Acute angle

If two angles are complementary, what is the sum of their measures?

• 180 degrees

• 90 degrees

• 45 degrees

• 60 degrees

What type of angle is exactly 180 degrees?

• Straight angle

• Reflex angle

• Obtuse angle

• Acute angle

How many degrees are in a full circle?

• 180

• 90

• 270

• 360

Identify the angle formed by the hands of a clock at 3:00.

• 120 degrees

• 45 degrees

• 180 degrees

• 90 degrees

What is the name of an angle that measures exactly 90 degrees?

• Right angle

• Straight angle

• Obtuse angle

• Acute angle

If an angle measures 45 degrees, what type of angle is it?

• right angle

• acute angle

• reflex angle

• obtuse angle