Narrator: What’s important to understand is that geometry has rules, has facts you need to know. Here’s a rule you probably know: that a shape with 4 right angles and 4 equal sides is a square!

Enter a world that defies our basic assumptions about the rules of geometry. Advertisement Times journalists around the world bring you a new 360 video every day. Times journalists around the ...

While multimedia tools have been slow to penetrate instructional methods in some subjects, the math world is bursting ... and examine the relationships in angles, shapes, and even quadratic ...

Trigonometry - Edexcel The three trigonometric ratios; sine, cosine and tangent are used to calculate angles and lengths in right-angled triangles. The sine and cosine rules calculate lengths and ...

This virtual landscape follows the rules of a type of non-Euclidean geometry called hyperbolic ... all because lines and angles don't behave the way they do in the ordinary world.