Angles Review

Which type of angle is exactly 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Reflex angle

Identify the angle type that is more than 90 degrees but less than 180 degrees.

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

What is the vertex of an angle?

• The point where two lines meet

• The exact middle point of a line

• The longest side of a triangle

• The corner of a square

How is the size of an angle measured?

• In meters

• In square units

• In degrees

• In centimeters

What is the range of degrees that defines an acute angle?

• 0° to 90°

• 0° to 180°

• 90° to 180°

• More than 180°

Which of the following is NOT an example of an acute angle?

• 15°

• 30°

• 45°

• 95°

How does an acute angle compare to a right angle?

• It is smaller

• It is larger

• It is the same

• There is no comparison

Which of the following are acute angles?

• 25°, 10°, 30°

• 180°, 135°, 90°

• 85°, 25°, 10°

• 135°, 85°, 30°

Which of the following are right angles?

• 10°

• 90°

• 180°

• 135°

What is a right angle?

• An angle that is less than 90 degrees.

• An angle that is more than 90 degrees.

• An angle that is exactly 90 degrees.

• An angle that is exactly 180 degrees.