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September 16, 2014

September 16, 2014

Posted by **danica** on Saturday, November 3, 2012 at 3:34pm.

- math -
**Steve**, Saturday, November 3, 2012 at 4:03pmhalf the base is 8

h^2 = 20^2 - 8^2 = 400-64 = 336

h = √336 = 4√21

a = 1/2 bh = 1/2 (16)(4√21) = 32√21

p = 20+20+16 = 56

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