@dave-lindell Why is angle CEB congruent to angle CAB?

Here's a better picture of just the cylinders (pipes) from GeoGebra:   And here's the one with the plane (blade) added:   And here's...

@flga Yeah, mine, too, save for technology. The funny-looking rhombus is the plane defined by the fourth equation. Imagine a standpipe fed by two wate...

@john-nolton Depending on which Wolfram Alpha URL you go to, the equals sign may be an approximately equals sign. In either case the answers are...

The three cylinders intersect in 4 symmetrical points in the real number system. According to Wolfram Alpha, they are: v = -539.107 and w = 476.296 an...

Here's what the graph looks like from the GeoGebra online grapher: ?ÿ

?ÿ @holy-cow North Carolina does have an abundance of NGS marks, some shiny and some not. As you go west into the mountains (hills to you Rocky Mounta...

OF course, you touched on the reason that baseball is America's pastime; seven guys standing around watching two work.

@dave-karoly I think that an olympic pool is 50 meters long. so the equatorial radius would be 127,742 and a fraction olympic pools. It might be helpf...

Area is too difficult of a concept for many people to understand, but football fields can really help with lengths. For example, the equatorial radius...