What is a Radian?

In this applet, you will explore a radian.

1. Use the slider to change the angle. How many radians are there in a full circle? 2. Does changing the radius (r) affect how many radians there are in a circle?

New Resources

Colouring of Venn Diagram
Torus
רישום חופשי
Dividing a 3-digit number by a 1-digit number (2)
Interactive Unit Circle - Exact Trig Values

Discover Resources

Construct the Circumcenter
Visualize the Theorem of Thales
arbregeotronq3
Untitled
Riemann Sum - Area Under a Curve
Geometry House Hunting

Discover Topics

Histogram
Interest Calculation
Real Numbers
Geometric Distribution
Vectors