HELP! the dimensions and shape of a rectangular volleyball are shown in a picture.
what is the approximate distance of a serve that is hit diagonally from one corner of the court to the other?

Question

HELP! the dimensions and shape of a rectangular volleyball are shown in a picture. 
what is the approximate distance of a serve that is hit diagonally from one corner of the court to the other?

anonymous · Answer

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anonymous · Answer

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Use Pythagorean Theorem to find the length of the diagonal:

a^2+b^2=c^2 so c^2=9^2+18^2=81+324=405

so c is the square root of 405, which is 9 root 5.