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Math·Geometry and Trigonometry·Lines, angles, and triangles

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The triangle inequality theorem states that the sum of any two sides of a triangle must be greater than the length of the third side. If a triangle has side lengths of $7$ and $10$, which inequality represents the possible lengths, $x$, of the third side of the triangle?

A

$x<17$

B

$x>17$

C

$3<x<17$

D

$x<3\text{ or }x>17$