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Use Determinants to Find the Area of the Triangle with Vertices

Question 72

Multiple Choice

Use determinants to find the area of the triangle with vertices at the given points. P(0, 0) , Q(12, 0) , R(12, 9)


A) A = 54
B) A = 9
C) A = 12
D) A = 108
E) none of these

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