A triangle with vertices at (x 1 , y 1 ), (x 2 , y 2 ),
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A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3), as shown in the figure, has area equal to the absolute value of D, where
Find the area of each triangle having vertices at P, Q, and R.
P(0, 1), Q(2, 0), R(1, 5)
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Related Book For
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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