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September 18, 2014

September 18, 2014

Posted by **bethy** on Monday, August 1, 2011 at 9:59am.

- geometry -
**Reiny**, Monday, August 1, 2011 at 11:03amI assume x is the value of the other sides, (they are equal)

the ratio of sides in a 45-45-90 triangle is 1:1:√2

so x/1 = 9√2/√2

x = 9

check: 9^2 + 9^2= h^2

h^2 = 162

h = √162 = 9√2

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