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In the triangle shown, for \(\angle A\) to be the largest angle of the triangle, it must be that . What is the least possible value of \(n-m\), expressed as a common fraction?

 Jan 3, 2019
edited by Guest  Jan 3, 2019
 #1
avatar+94953 
+2

x+9>3x

9>2x

x<4.5

 

x+9>x+4  always true

 

3x+x+4>x+9

3x>5

x>1.6

 

so

1.6

m=1.6

n=4.5

 

You can finish it.

 Jan 3, 2019

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