Measuring Adjacent angles (3.5)
In the diagram above angles C & B are vertical or opposite angles. Angles G & F, A & D and E & H are also vertical or opposite angles.
tutorials & video lessons:
- Sophia Video and practice problems: Vertical & Adjacent angles
- Watch the angles change (and vertical angles stay the same!) with this intesecting line interactive!
- Mrs. Nussbaum's practice site: Measuring adjacent angles
- Kahn Academy: Measuring Vertical angles (w/video if you need it).