Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
x+y=a*sqrt(5), x^2+z^2=(2a)^2, y^2+z^2=a^2, x/y=S
x+y=a*sqrt(5), x^2+z^2=(2a)^2, y^2+z^2=a^2, x/y=S
Natural Language
Math Input
Extended Keyboard