Acute, Obtuse, and Right Angles

A right angle measures:

• 90 degrees

• Less than 90 degrees

• Greater than 90 degrees

Tags

CCSS.4.G.A.1

An obtuse angle measures:

• Less than 90 degrees

• Greater than 90 degrees

• 90 degrees

Tags

CCSS.4.G.A.1

An acute angle measures:

• 90 degrees

• Greater than 90 degrees

• Less than 90 degrees

Tags

CCSS.4.G.A.1

This picture represents what type of angle?

• Obtuse Angle

• Right Angle

• Acute Angle

Tags

CCSS.4.G.A.1

This picture represents what type of angle?

• Right Angle

• Obtuse Angle

• Acute Angle

Tags

CCSS.4.G.A.1

This picture represents what type of angle?

• Right Angle

• Acute Angle

• Obtuse Angle

Tags

CCSS.4.G.A.1

This picture represents what type of angle?

• Right Angle

• Acute Angle

• Obtuse Angle

Tags

CCSS.4.G.A.1

Match the following

• straight angle

• less than 90 degrees

• reflex angle

• greater than 90 degrees, but less than 180 degrees

• obtuse angle

• exactly 90 degrees

• acute angle

• exactly 180 degrees

• right angle

• greater than 180 degrees, but less than 360 degrees