Mathematics, 25.02.2021 18:40 ethannila

What is the area of a triangle? A. A = 1/2 (y3 - y2) (x3 - x1)
B. A = 1/2 (y3 - y2) (x3 - x1)
C. A = 1/2 (y3 - y1) (x2 - x1)
D. A = 1/2 (y2 - y1) (x3 - x1)
E. A = 1/2 (y2 - y1) (x2 - x1)

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What is the area of a triangle? A. A = 1/2 (y3 - y2) (x3 - x1)
B. A = 1/2 (y3 - y2) (x3 - x1)...