Right, Acute, Obtuse, Reflex

Classify the angle made by the jaws of the alligator.

• Right angle

• Obtuse angle

• Acute angle

• Straight angle

Classify the angle shown below the stairs.

• Right angle

• Reflex angle

• Obtuse angle

• Acute angle

Classify the angle in the chairs.

• Right angle

• Obtuse angle

• Acute angle

• Straight angle

Classify the angle of the dentist drill.

• Obtuse angle

• Acute angle

• Straight angle

• Reflex angle

What is an acute angle?

• A measure of 90 degrees.

• A straight line.

• A measure of more than 90 degrees.

• A measure of less than 90 degrees.

Classify the angles shown 'in' the stop sign.

• Acute angle

• Straight angle

• Right angle

• Obtuse angle

What type of angle is this?

• Right angle

• Acute angle

• straight angle

• obtuse angle

What type of angle is this?

• revolution

• obtuse angle

• acute angle

• straight angle

Estimate the angle given.

Estimate this angle in degrees