Concept explainers
Show that the formula for problem
59. Geometry: Area of triangle A triangle has vertices
The area of triangle is given by the absolute value of
61. Geometry: Area of
Where
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- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageElementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,