Question

The measure of two sides of a triangle are 7 and 11. Determine the range of values for the third side of the triangle.(1 point)
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Answer 1

By the triangle inequalities:
7 + 11 > n ⇒ n < 18,
n + 7 > 11 ⇒ n > 4,
(and n + 11 > 7 is automatic).

So the third side must satisfy 4 < n < 18.