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.
find 2a if a^2 + 26.5^2 - 2*a*26.5*cos(41 deg) = 4a^2, a>0
find 2a if a^2 + 26.5^2 - 2*a*26.5*cos(41 deg) = 4a^2, a>0
Natural Language
Math Input
Extended Keyboard
