Johanna is using a protractor to measure the angle below. She places the center mark of the protractor over the vertex of the angle. What is her next step? Line up the left ray of the angle with the bottom line of the protractor.
Line up the bottom ray of the angle with the bottom line of the protractor.
Follow the left ray of the angle from the vertex to the measurements on the protractor.
Follow the bottom ray of the angle from the vertex to the measurements on the protractor.