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January 29, 2015

January 29, 2015

Posted by **kate** on Sunday, January 25, 2009 at 12:29pm.

square root 20 and square root 150

- math -
**Damon**, Sunday, January 25, 2009 at 12:31pm20 = 4 * 5

20 = 2*2 * 5

so

sqrt(20) = 2 sqrt 5

150 = 10 * 15

150 = 2 * 5 * 5 * 3

150 = 5*5 * 6

sqrt (150) = 5 sqrt 6

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