Are Dilations Isometries?

Author:Kim Kembitzky, Alfred Estberg

Slide the k value to see the effect on the image. Does the image keep the same size and shape of the pre-image? What happens when you move some of the pre-image points?

New Resources

Damped Trochoidal Curve
bewijs stelling van Pythagoras
Cartesian vs Polar
z`]]
Fourier Lissajous (Mechanical)

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ASA Congruence
Hindmarsh-Rose Neuron potential bursts and spikes
Picture #1
Triangle Angles
W22/4 Special secant of two concentric circles

Discover Topics

Rational Numbers
Geometric Transformations
Sine
Polynomial Functions
Equilateral Triangles