February 20, 2017

Homework Help: Alg 1

Posted by Jane on Tuesday, April 2, 2013 at 1:37pm.

Simplifying Radicals

A gardener is mowing a 20-yd-by-40 yd rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the cxorner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form.

My answer choices are:
10(radical sign)20
20 (radical sign)2
400 (radical sign)5
20(radical sign)5

I don't know how to get the simplified radical. It sounds like I should be using the pythagorean Theorem, but that gives me 44.7 - not one of the answers above. Thank you for your help.

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