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In a triangle with side lengths 5, 6 and x, what is the sum of all possible integral values of x?

 Apr 20, 2019
 #1
avatar+106533 
+3

We have that

 

x < 5 + 6          and           5 + x > 6

x < 11                                   x > 1

 

So, Logic.....just sum the integers 2 through 10  and there's your answer....!!!!

 

 

cool cool cool

 Apr 20, 2019
 #2
avatar+4330 
+3

Right, gives 10*11=110/2=55-1=54. 

 Apr 20, 2019

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