Identifying Angles

Front

What is a Straight Angle?

Back

An angle that measures exactly 180 degrees.

Front

What is an Acute Angle?

Back

An angle that measures less than 90 degrees.

Front

What is an Obtuse Angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a Right Angle?

Back

An angle that measures exactly 90 degrees.

Front

Classify the angle 180° as: Right, Obtuse, or Straight.

Back

Straight.

Front

Identify the acute angle in the following set of angles: 30°, 90°, 120°, 180°.

Back

30°.

Front

Classify the angle 150° as: Right, Obtuse, or Straight.

Back

Obtuse.

Front

Identify the obtuse angle in the following set of angles: 60°, 90°, 130°, 180°.

Back

130°.

Front

Classify the angle 90° as: Right, Obtuse, or Straight.

Back

Right.

Front

What is the sum of angles in a triangle?

Back

180 degrees.