Ring and Circle
...and the rectangle that loves them both. Ed Southall posted the problem to prove that the circle and ring (annulus) associated with a rectangle as shown, have equal area. I had to see it! Then, because I'm a geek, I had to add a wheee button.
I Rotate :)
Introduction to GeoGebraScript
Midsegment (drag point D)
Volume of a Pyramid (Derivation)
Probability and Geometry
what is cotangent using an angle
MODUL 15-B_TRESNA SETIA NURYANA_SMPN 11 PESAWARAN
Solutions to Quadratic Equations
What is the Tangram?