LSSM Geometry Laboratory
Manipulate interactive kinematic loci to explore radii constraints, parallel glide vectors, polygon equiangularity, and conic focus sums.
A circle is the locus of all points that are a fixed distance (the Radius, r) from a fixed origin point (the Center, O).
Control Panel
Canvas Frame
Parallel Lines are two coplanar lines that maintain identical slopes (m₁ = m₂) and never intersect regardless of length extension.
Canvas Frame
A Regular Polygon is simultaneously equilateral (all side lengths equal) and equiangular (all interior angles equal). Drag vertices to analyze congruences.
Feedback Panel
Click and drag any green vertex on the canvas to reshape the polygon.
Canvas Frame
An Ellipse is the geometric locus of points where the sum of distances from two fixed points (Foci F₁ & F₂) remains constant (d₁ + d₂ = 2a).
Move cursor across the canvas plane to measure instantaneous focus distances.
Canvas Frame
