Answers

2015-06-19T09:28:16+05:30
By calculationg length of all sides using two consecutive coordinates and by hero's formula calculate area of triangle
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2015-06-19T09:51:09+05:30
If the vertices of the triangle are given we can find the area of the triangle by the following formula :-

 \frac{1}{2} [ x_{1} ( y_{2} -  y_{3} ) +  x_{2} ( y_{3} -  y_{1} ) +  x_{3} ( y_{1} -  y_{2} )]
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