Gallery
Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.
Inscribed Angles and Tangents
Move a point around the circle to see that the inscribed angle stays the same, then discover why a tangent is perpendicular to the radius.
by Anonymous
Sectors: Arc Length & Area
Adjust the radius and central angle to see how arc length and sector area scale with θ/360.
by Anonymous
Circles and Pi
Roll a circle to measure its circumference and compare it with the diameter to discover that pi is always about 3.14.
by Anonymous