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

Square's diagonal sat math geometry

Quote:

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

Thanks

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Attachment 43

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

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Hope these help!:)

Thanks Jack!