Angle

Measure the angle formed by three points (vertex → first side → second side).

Interaction Steps

1. Click to select the angle vertex
2. Click to select a point on the first side
3. Click to select a point on the second side

Preview

After step 2 is complete, a dashed arm1 + solid arm2 rubber band + an angle badge are shown.

Angle Calculation

Uses the included angle (interior angle), range 0° ~ 180°.

Display

The angle badge is placed along the angle bisector, above the vertex.

After Creation

All three points have grips; dragging any one recalculates the angle.