In the xy-plane, what is the area of a triangle whose vertices are , , and ?
(A) 3.59 (B) 5.67 (C) 7.91 (D) 11.18 (E) 11.34
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Originally Posted by skeeter
how did you get b as 5-sqrt2?
the points on the x-axis are and
the distance between those two values is
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