# math

A park needs to make a cement walkway that cuts through the park diagonally. If the length of the park is 300 meters and the width is 400 meters, how long will the walkway be?

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1. Just good ol' Pythagoras ....

L^2 = 300^2 + 400^2

L = .....

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posted by Reiny
2. Is it 500 m? Square root of 250000 = 500

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3. yes, notice that 300, 400, and 500 is simply a multiple of 3,4, 5

3,4,5 would form the smallest right-angled triangle with integer sides.

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posted by Reiny

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