AAOB is placed on a coordinate system so that A = (6, 12), B = (21, 3), and O=(0, 0). A segment, CD, is drawn parallel to OB so that C lies on AO, D lies on AB, and C = (4,8). a Find the coordinates of D. b Find the ratio of the area of AACD to the area of AAOB.
AAOB is placed on a coordinate system so that A = (6, 12), B = (21, 3), and O=(0, 0). A segment, CD, is drawn parallel to OB so that C lies on AO, D lies on AB, and C = (4,8). a Find the coordinates of D. b Find the ratio of the area of AACD to the area of AAOB.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 48E
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