Prove by the indirect method:  
Given:  Scalene
(point 
Prove: 

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Calculus (MindTap Course List)
Essentials Of Statistics
Multivariable Calculus
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Finite Mathematics and Applied Calculus (MindTap Course List)
Finite Mathematics
Mathematical Applications for the Management, Life, and Social Sciences
Probability and Statistics for Engineering and the Sciences
Calculus: Early Transcendental Functions
Mathematical Excursions (MindTap Course List)
Single Variable Calculus: Early Transcendentals, Volume I
Elementary Technical Mathematics
Intermediate Algebra
Precalculus: Mathematics for Calculus (Standalone Book)
Calculus: Early Transcendentals
Understanding Basic Statistics
Single Variable Calculus
Calculus: An Applied Approach (MindTap Course List)
Statistics for The Behavioral Sciences (MindTap Course List)
Calculus of a Single Variable
Contemporary Mathematics for Business & Consumers
Elements Of Modern Algebra
Trigonometry (MindTap Course List)
Single Variable Calculus: Early Transcendentals
Finite Mathematics for the Managerial, Life, and Social Sciences
Calculus: Early Transcendental Functions (MindTap Course List)
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Study Guide for Stewart's Multivariable Calculus, 8th
Multivariable Calculus
College Algebra (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
Mathematics: A Practical Odyssey
Mathematics For Machine Technology
STATISTICS F/BUSINESS+ECONOMICSTEXT
Statistics for Business & Economics, Revised (MindTap Course List)
Introduction To Statistics And Data Analysis
Calculus (MindTap Course List)
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Calculus Volume 1
Essentials Of Statistics For Business & Economics
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Discrete Mathematics With Applications
College Algebra