QUESTION IMAGE
Question
select the correct answer.
a triangle has one side of length 29 units and another of length 40 units. determine the range in which the length of the third side must lie.
a. -11<x<69
b. 11≤x≤69
c. 11<x<69
d. -11≤x≤69
Step1: Aplicar la desigualdad triangular
La desigualdad triangular establece que para un triángulo con lados \(a\), \(b\) y \(c\), se cumple \(|a - b|\lt c\lt a + b\). Aquí \(a = 29\) y \(b=40\).
Step2: Calcular \(|a - b|\)
\(|29 - 40|=| - 11| = 11\)
Step3: Calcular \(a + b\)
\(29+40 = 69\)
Step4: Establecer la desigualdad para el tercer lado \(x\)
\(11\lt x\lt69\)
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A. \(11\lt x\lt69\)