Shape & Measure
Circle Theorems
Notes
Labels A, B and C:
- Drag the labels to alter the angles. A and B always stay on the bottom half of the circle, C stays on the top.
Lines:
- Click lines to dim them. Click again to bring them back.
- Click the "Lines" button to switch bewteen showing all lines and hiding all lines.
Angle label boxes:
- Drag the angle boxes wherever you want.
- Click in a box to hide its angle value. Click again to show.
- Click the triangle to file the angle box back on the right.
- Click the "Angles" button to switch between showing all the angle values and hiding all the angle values.
- Click "Hide" to file all the angle boxes back on the right.
New points:
- Click "New" to create new positions for points A, B and C. The old positions are saved automatically.
Copy:
- Click "Copy" to create a copy of the current positions and visibilities.
Prev and Next:
- The positions of A, B and C are saved whenever you create a new set of points. You can view the stored positions using the "Prev" and "Next" buttons.
- Click "Prev" to see the previous stored position.
- Click "Next" to see the next stored position.