Identifying Angles

Which one is an acute angle?

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• Right

• Obtuse

• Acute

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

• Obtuse

• Right

• Acute

• Straight

Classify the angle 45° as: Acute, Right, Obtuse, or Straight

• Acute

• Right

• Obtuse

• Straight

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

• Obtuse

• Acute

• Straight

• Right

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

• 180°

• 120°

• 30°

• 90°

Identify the acute angle in the following set of angles: 45°, 90°, 100°, 180°

• 180°

• 45°

• 100°

• 90°

Identify the acute angle in the following set of angles: 80°, 90°, 100°, 110°

• 80°

• 90°

• 100°

• 110°

Classify the angle 120° as: Right, Obtuse, or Straight

• Obtuse

• Acute

• Straight

• Right

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

• Acute

• Straight

• Obtuse

• Right