Angles Quiz

Yuki, Coco, Phoebus, Nicole, and Charlotte are planning to go on a hike. They need to identify the acute angle in the following set of angles: 30°, 90°, 120°

• 30°

• 180°

• 45°

• 90°

Answer explanation

The acute angle in the given set of angles is 30° because it is the smallest angle among the options provided.

Identify the acute angle in the following set of angles: 45°, 100°, 150°

• 100°

• 180°

• 45°

• 90°

Answer explanation

The acute angle in the given set of angles is 45° because it is the smallest angle among the options and less than 90°, which is the definition of an acute angle.

Identify the acute angle in the following set of angles: 20°, 100°, 170°

• 45°

• 20°

• 100°

• 90°

Answer explanation

The acute angle in the given set of angles is 20° because it is the smallest angle among the options provided.

Identify the obtuse angle in the following set of angles: 60°, 100°, 150°

• Nicole measured an angle of 120°

• Coco measured an angle of 100°

• Su measured an angle of 60°

• Yuki measured an angle of 150°

Answer explanation

The obtuse angle in the given set of angles is 150° because it is greater than 90° and less than 180°.

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

• 60°

• 90°

• 120°

• 30°

Answer explanation

The obtuse angle in the given set of angles is 120°, as it is greater than 90° and less than 180°.

Identify the obtuse angle in the following set of angles: 45°, 70°, 110°

• 90°

• 45°

• 70°

• 110°

Answer explanation

The obtuse angle in the given set of angles is 110° because it is greater than 90°, which is the definition of an obtuse angle.

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

• 30°

• 120°

• 60°

• 90°

Answer explanation

The right angle in the given set of angles is 90°. It is the correct choice as it forms a perfect 90-degree angle.

Identify the right angle in the following set of angles: 45°, 100°, 135°

• None of the given angles is a right angle.

• 100° is the right angle

• 135° is the right angle

• 45° is the right angle

Answer explanation

None of the given angles is a right angle.

Charlotte is learning to draw an angle of 60° using a protractor. What should she do?

• Use a protractor to measure and draw the angle of 60°.

• Draw a circle instead of an angle

• Use a ruler to draw the angle of 60°

• Estimate the angle without using a protractor

Answer explanation

To draw an angle of 60°, Abigail should use a protractor to measure and draw the angle accurately.

Phoebus wants to draw an angle of 120° using a protractor. Which option should he choose?

• 45°

• 120°

• 180°

• 90°

Answer explanation

Abigail should choose 120° because it is the correct angle she wants to draw.