Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.3: The Cartesian Plane And Graphs Of Equations
Problem 4ECP
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Question
Using distance formula, show that the points (2, -1), (0, 1) and (2, 3) are the vertices of a right-angled triangle.
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