Square's diagonal sat geometry

[Nyla]

Square's diagonal sat math geometry

How can I find the length of a diagonal of a square with a side length of 4?

Thanks

[Jack]

Square's diagonal sat math geometry

How can I find the length of a diagonal of a square with a side length of 4?

Thanks

You need to apply Pythagoras' theorem to the right angled triangle ΔABD as follows:

.

Hope these help!

[Nyla]

Thanks Jack!