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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