Identify Angles: Right, Acute, & Obtuse

How can you identify a right angle?

• A right angle can be identified by its square corner, often marked with a small square.

• A right angle is identified by its acute angle measurement.

• A right angle is always larger than 90 degrees.

• A right angle can be identified by its circular shape.

What is the relationship between obtuse angles and right angles?

• Obtuse angles are always less than right angles.

• Obtuse angles are always equal to right angles.

• Obtuse angles are always greater than right angles.

• Obtuse angles and right angles are the same.

What is a right angle?

• An angle that measures exactly 90 degrees.

• An angle that measures exactly 45 degrees.

• An angle that measures exactly 180 degrees.

• An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

What is the relationship between acute angles and right angles?

• Acute angles are always less than right angles.

• Acute angles are equal to right angles.

• Acute angles are greater than right angles.

• Acute angles can be either less than or greater than right angles.

How can you identify an obtuse angle?

• It is less than 90 degrees.

• It is exactly 90 degrees.

• It opens wider than a right angle.

• It is equal to 180 degrees.

If a triangle has one obtuse angle, what type of triangle is it?

• Acute triangle

• Right triangle

• Obtuse triangle

• Equilateral triangle

Can an angle be both acute and obtuse?

• Yes, an angle can be both acute and obtuse at the same time.

• No, an angle cannot be both acute and obtuse at the same time.

• An angle can be acute, obtuse, or right, but not both acute and obtuse.

• An angle can be acute or obtuse, but not both simultaneously.

If one angle in a triangle is 90 degrees, what type of triangle is it?

• Acute triangle

• Obtuse triangle

• Right triangle

• Scalene triangle

Tags

CCSS.4.G.A.2

What is an acute angle?

• An angle that measures exactly 90 degrees.

• An angle that measures more than 90 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures exactly 45 degrees.

Tags

CCSS.4.G.A.1

What type of angle is 120 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

Tags

CCSS.4.G.A.1