1.

. Arectangularfield is 30 m by 40 m. What distanceis saved by walking diagonally across the field?

Answer»

To find the length of the diagonal you can use the pythagorean theorem: a^2+b^2=c^2

So:

30^2+40^2=c^2900+1600=c^22500=c^250 = c, the length of the diagonal walk

It 50m to walk diagonally, and 70 to walk width by length. so you save 20 feet.



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