Obtuse

This is:

• an acute angle

• a right angle

• an obtuse angle

An obtuse angle is:

• smaller than a right angle

• bigger than a right angle

What type of triangle is shown?

• acute

• obtuse

• right

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

• 45°

• 91°

• 110°

• 30°

• 152°

An obtuse angle measures...

• more than 90^o and less than 180^o

• exactly 90^o

• 180^o

• less than 90^o

Which angle type is pictured?

• Acute

• Right

• Obtuse

• Straight

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

Obtuse Angles Measure ​ (a)   90 degrees

• more than

• less than

• exactly

Which of the following angles is an obtuse angle?

An obtuse angle measures:

• 90 degrees

• Greater than 90 degrees

• Less than 90 degrees