Acute, Right and Obtuse Angles

What is the measurement of a right angle?

• 70

• 80

• 90

• 180

Name the angle

• obtuse

• straight

• right

• acute

What degree is a Right Angle?

• 90 degrees

• 180 degrees

• 45 degrees

What angles measurement is between 0 and 90 degrees?

• Right angle

• Acute Angle

• Obtuse Angle

An obtuse angle is...

• greater than 90 degrees but less than 180 degrees

• 90 degrees

• 45 degrees

• 180 degrees

What items can be identified that we see every day can be seen as a right angle?

Multiple answers

• doors

• windows

• stairs

• picture frame

Look around the room. Find an object that has an angle. Type the object and identify if it is a right, obtuse, or acute angle.

What does a right angle look like? Draw the angle below

What type of triangle is shown?

• acute

• obtuse

• right

What type of triangle is shown?

• acute

• obtuse

• right