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
Related questions
Question
2. Let A be the set of points in the xy−plane satisfying the equation |x| + |y| = 7. The area of A is equal to
A. 7
B. 28
C. 42
D. 63
E. 98
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