Square's diagonal sat math geometry

Square's diagonal sat math geometry

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

http://www.satmath4u.com/threads/74-Square-s-diagonal-sat-geometry

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:

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