Thread: simple equation

Im having difficulty understanding something simple:

Can someone show me how it is possible to get from

2a² = d²

to

d = a√2

many thanks

Originally Posted by planetdomi

Im having difficulty understanding something simple:

Can someone show me how it is possible to get from

2a² = d²

to

d = a√2

many thanks

Well first of all, that answer is wrong, but anyway...

wow

Thankyou so much