![A =\frac{1}{2} [ x_{1}(y_{2} -y_{3})+x_{2} (y_{3}-y_{1} )+x_{3}(y_{1} - y_{2} )]](/tpl/images/0600/0390/baf1a.png)
.............(1)
are coordinates
![A = \frac{1}{2} [1(0-5)+4(5-1)+3(1-0)]](/tpl/images/0600/0390/43030.png)
![= \frac{1}{2} [1(-5)+4(4)+3(1)]](/tpl/images/0600/0390/53b46.png)
![= \frac{1}{2} [ -5 +16 + 3]](/tpl/images/0600/0390/d2471.png)
What is the area of triangle ABC?
3 square units
7 square units
11 square un...
Mathematics, 14.04.2020 23:44 cheriebg
What is the area of triangle ABC?
3 square units
7 square units
11 square units
15 square units
Answers: 1
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