Interactive angle: base line at bottom → origin (0) → pointer
Move mouse or touch — click to lock, right-click to reset pointer
Base:
horizontal line (bottom)
Origin:
0 (center horizontally, bottom vertically)
Measured CCW from +X axis (right). Rays drawn at 1° increments inside angle.
Hide Angles
Center Origin
Left-click/tap to lock pointer. Right-click to reset pointer only. Escape resets all.
Angle: —
—
—
Pointer:
—
⟵
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