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Mathematics 6 Online
OpenStudy (anonymous):

12. A fence has poles at points A(1,-1), B(-4,6) and C(-3,-5). If each pole is shifted 2 units up and then pole A is further shifted, 3 units to the right, what is the change in the square unit area enclosed?

OpenStudy (anonymous):

Use formula here to get the areas http://www.mathopenref.com/coordtrianglearea.html (Shifting all the points up won't change the area)

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