Angle measurements

To create an angle measurement,

1. Select the angle tool

2. Position the mouse cursor at the starting point of the first ray, press and hold down the left mouse button, drag the mouse to the ending location of the first ray, and release the mouse button.

3. Position the mouse cursor at the starting point of the second ray, press, drag and release as described above.

The angle between the two rays is displayed in degrees. If the two rays do not intersect, the angle is a Cobb angle.

To display the exterior angle,

1. Right click the annotation

2. Select Exterior angle

To adjust the annotation graphic using the mouse,

1. Click on the Annotation button to enter annotation mode

2. Select the annotation you want to change.

3. To resize the graphic, left-click on one of the grab points along the edge or ends of the graphic and drag the mouse.

4. To move the graphic, left-click the edge of the graphic that is not a grab point and drag the mouse.