Being able to compare angles can help us in this lesson. Let's try this problem to review.
Which of these angles is larger?
This video looks at right angles as quarter turns measuring $90^\circ$90°. We also look at angles that are bigger or smaller than $90^\circ$90°.
Which of the following is a right angle?
A quarter turn is called a right angle.
Compare angles and classify them as equal to, greater than or less than a right angle