Angles and Types of Angles

What is an acute angle?

• An angle equal to 90 degrees.

• An angle greater than 180 degrees.

• An angle that measures exactly 45 degrees.

• An angle less than 90 degrees.

Define a right angle.

• An angle that measures 60 degrees.

• An angle that measures 180 degrees.

• An angle that measures 45 degrees.

• An angle that measures exactly 90 degrees.

What is an obtuse angle?

• An obtuse angle is exactly 90 degrees.

• An obtuse angle is less than 90 degrees.

• An obtuse angle is greater than 180 degrees.

• An obtuse angle is an angle greater than 90 degrees and less than 180 degrees.

How many degrees are in a straight angle?

• 90 degrees

• 360 degrees

• 180 degrees

• 45 degrees

What is the unit of measurement for angles?

• Degrees

• Liters

• Kilograms

• Meters

How do you measure an angle using a protractor?

• Measure the angle by drawing a line from the vertex to the protractor's center.

• Estimate the angle by comparing it to a known angle without using the protractor.

• Use a ruler to find the length of the angle's sides.

• Align the protractor with the angle and read the measurement where the angle intersects the scale.

What type of angle measures exactly 90 degrees?

• Straight angle

• Obtuse angle

• Right angle

• Acute angle

What is a reflex angle?

• An angle greater than 180 degrees and less than 360 degrees.

• An angle greater than 360 degrees.

• An angle exactly 180 degrees.

• An angle less than 90 degrees.

How many degrees are in a full rotation?

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

What type of angle is greater than 180 degrees?

• Acute angle

• Reflex angle

• Right angle

• Obtuse angle