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Use Determinants to Find the Area of the Triangle with Vertices

Question 1

Multiple Choice

Use determinants to find the area of the triangle with vertices at the given points. P(0, 0) , Q(20, 0) , R(20, 6)

A) A = 120
B) A = 20
C) A = 60
D) A = 6
E) none of these

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