Obtuse Angles

This is what kind of angle?

• right

• acute

• obtuse

• straight

• acute
• obtuse
• right

An obtuse angle is...

• greater than 90 degrees but less than 180 degrees

• 90 degrees

• 45 degrees

• 180 degrees

Based on the image what angles are show? (they are all the same angle)

• acute

• obtuse

• right

An obtuse angle measures...

• more than 90^o and less than 180^o

• exactly 90^o

• 180^o

• less than 90^o

Define Obtuse Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Mrs. Neese asked her students to give examples of obtuse angles. They wrote their answers in the chart above.

Which students gave examples of obtuse angles?

• Austin

• Kalista

• Malachi

• Hannah

• Hunter

An obtuse angle measures:

• 90 degrees

• Greater than 90 degrees

• Less than 90 degrees

Which angle type is pictured?

• Acute

• Right

• Obtuse

• Straight

Which of the following angle measurements are obtuse angles? Select all that apply.

• 45°

• 91°

• 110°

• 30°

• 152°