Assertion: pedal curve | /r/CapableOf | call the foot of the perpendicular
Facets:
value: as the variable point
type: MANNER
value: from the fixed point
type: LOCATION
value: to the tangent t
type: LOCATION
Source sentences:
text: the pedal curve is the set of such points X, called the foot of the perpendicular to the tangent T from the fixed point P, as the variable point R ranges over the curve C.