For Exercise, use the formula at the right to find the area of a triangle with vertices (x1, y1), (x2, y2), and (x3, y3). Choose the + or - sign so that the value of the area is positive. У Area = + X2 1 y2 |x3 Уз (1, 0), (7, -2), (4, –5)
For Exercise, use the formula at the right to find the area of a triangle with vertices (x1, y1), (x2, y2), and (x3, y3). Choose the + or - sign so that the value of the area is positive. У Area = + X2 1 y2 |x3 Уз (1, 0), (7, -2), (4, –5)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.5: Other Types Of Equations
Problem 54E
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