Answers

2014-08-08T21:39:48+08:00
First we find the third side: 26 = X + 8 + 12 --> X = 6. Then, we find (S) to be used in finding the area of the triangle: S = (1/2)(8 + 12 + 6) = 13. To find the area, we solve: A = sqrt (13)(13 - 8)(13 - 12)(13 - 6) = 21.33 cm^2.
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2014-08-09T05:36:13+08:00