Friday

August 22, 2014

August 22, 2014

Posted by **Anonymous** on Saturday, October 8, 2011 at 8:37pm.

- algebra -
**Steve**, Sunday, October 9, 2011 at 6:32amJust plug in what you know:

If the two bases are a and b, and the height is h,

area = h(a+b)/2

126 = 7(a+15)/2

I trust you can figure out a's value from here.

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