P14 · 2D Plane Geometry & ConstructionsSTUDIO
α = 60° · r = 4.2 cm · α/2 = 30°SVG · PPTX · 1:1
P14 // 2D Plane Geometry & Constructions
Angle Bisector Euclidean Construction (Straightedge & Compass)
Progressive straightedge-and-compass construction of the angle bisector ray dividing an angle into two congruent halves, ideal for interactive boards.
Key formulas & geometric relations
α₁ = α₂ = α / 2 · d(P, r) = d(P, s)