
Hyperbola

Triangle

Triangle

Graph of function

Parabola with tangent lines

3D graph

Graph of function

Apollonius Circle

Line, point and projection

Cassini oval

Right triangle with incircle

Graph with tangent line

Circle and cardioid

Graph with cropped letters

Circle and tangent line

Distance between centers of disks

Tangent lines

Triangle in a semicircle

Cauchy2

Triangle in a semicircle

Cauchy1

Extract from Elementary Differential Geometry, by A. N. Pressley

Surface

Tiling a chess board with dominos

parabola

Points of a circle closest and furthest from the origin

Region

Waving line 2

Parabola and line

Tangent to parabola

Graph of x^5+x

Waving line

Graph of increasing map

Parabola

Three squares

Graph of x^3+x

Hyperbola and tangent line

Intersection of line and hyperbola