Estimating Angles for 4th Grade

Identify the acute angle in the following set of angles: 45°, 90°, 120°

• 75°

• 45°

• 100°

• 60°

Estimate if the angle formed is a right angle or not: 85°

• Acute angle

• Not a right angle

• Obtuse angle

• Straight angle

Classify the angle 100° as acute or obtuse.

• acute

• straight

• right

• obtuse

Estimate the angle of a right angle in degrees.

• 45 degrees

• 90 degrees

• 60 degrees

• 180 degrees

Identify the acute angle in the following set of angles: 30°, 100°, 150°

• 50°

• 120°

• 200°

• 30°

Estimate if the angle formed is a right angle or not: 75°

• Acute angle

• Not a right angle

• Obtuse angle

• Straight angle

Classify the angle 160° as acute or obtuse.

• obtuse

• reflex

• straight

• right

Estimate the angle of a right angle in degrees.

• 45 degrees

• 90 degrees

• 180 degrees

• 60 degrees

Identify the acute angle in the following set of angles: 20°, 80°, 110°

• 100°

• 20°

• 90°

• 80°

Estimate if the angle formed is a right angle or not: 95°

• Not a right angle

• Obtuse angle

• Acute angle

• Straight angle