Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 10 - Section 10.1 - The Rectangular Coordinate System - Exercises - Page 456: 23

Answer

A=16

Work Step by Step

To form a rectangle the fourth point must have the same x coordinate as the point below it (point A) and the same y coordinate as the point to the right of it (point C). Therefore point D is located at (2,3). h=|y$_b$-y$_c$| h=|-1-3| h=4 b=|x$_a$-y$_b$| b=|2-6| b=4 A=bh A=4(4) A=16
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