A rectangle has side lengths, L and W, and a diagonal, d. Complete the equations to answer the questions below.

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  Please have a look at the photo

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a.How are L and W, and d related?

Because  L and W, and  d are the 3 size of an right-triangle. So we use pytagon theorem to fill in the blank:

b. If L is 7 units long and W is 5 units long, how long is d

Once again, we use pytagon theorem to find out d

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<=> d =

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