Identify Angles: Right, Acute, & Obtuse

What is a 'Right' Angle?

• An angle that measures exactly 90 degrees.

• An angle that measures exactly 45 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures more than 180 degrees.

Tags

CCSS.4.G.A.1

What is an 'Obtuse' Angle?

• An angle that measures less than 90 degrees.

• An angle that measures exactly 90 degrees.

• An angle that measures greater than 90 degrees but less than 180 degrees.

• An angle that measures greater than 180 degrees.

Tags

CCSS.4.G.A.1

If an angle measures 120 degrees, what type of angle is it?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

Tags

CCSS.4.G.A.1

What is an 'Acute' Angle?

• An angle that measures less than 90 degrees.

• An angle that measures exactly 90 degrees.

• An angle that measures more than 180 degrees.

• An angle that measures between 90 and 180 degrees.

Tags

CCSS.4.G.A.1

If an angle measures 45 degrees, what type of angle is it?

• Acute angle.

• Obtuse angle.

• Right angle.

• Straight angle.

Tags

CCSS.4.G.A.1

If an angle measures 90 degrees, what type of angle is it?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

Tags

CCSS.4.G.A.1

What is the relationship between obtuse angles and right angles?

• Obtuse angles are smaller than right angles.

• Obtuse angles are equal to right angles.

• Obtuse angles are larger than right angles.

• Obtuse angles are complementary to right angles.

Tags

CCSS.4.G.A.1

Can an angle be both acute and obtuse?

• Yes, an angle can be both acute and obtuse.

• No, an angle cannot be both acute and obtuse.

• An angle can be acute if it is also obtuse.

• An angle can be neither acute nor obtuse.

Tags

CCSS.4.G.A.1

What type of angle measures less than 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

Tags

CCSS.4.G.A.1

What is the sum of angles in a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

Tags

CCSS.8.G.A.5