Circumference = ? (Animation)

Author:Ashley Williams, Tim Brzezinski

Let's try to find the circumference of a circle by wrapping diameters around it. Hit the "Start Animation!" button below and carefully observe what happens. (Be sure to answer the 2 questions that follow.)

New Resources

Which Quadrilateral is Which?
Sine and Cosine on the Unit Circle
Graphs of Rational Expressions
bewijs stelling van Pythagoras
רישום חופשי

Discover Resources

points
Periodicity of Cotangent
Exercício - construir gráficos
pg.42
The Unit Circle

Discover Topics

Tangent Function
Derivative
Pie Chart or Circle Chart
Addition
Circle