Question

Find the area of ΔABC. vertices are A(2, 1), B(3, 3), and C(1, 6)

Answer 1

Answer:

area = (1/2)|Ax(By-Cy) +Bx(Cy-Ay) +Cx(Ay-By)|

 = (1/2)|2(3-6) +3(6-1) +1(1-3)| = (1/2)|-6 +15 -2|

 area = 7/2

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