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January 29, 2015

January 29, 2015

Posted by **Raj** on Monday, January 31, 2011 at 1:05am.

- geometry -
**David**, Monday, January 31, 2011 at 3:15am1/2 b h=30

1/2(2x+2)(x)=30

x^2+x-30=0

(x+6)(x-5)

x=-6 Does not make sense

x=5 2x5 +2 =12

Base 12

height 5

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