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Math·Geometry and Trigonometry·Lines, angles, and triangles
hardThe 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 9 and 13, which inequality represents the possible lengths, x, of the third side of the triangle?
A
x<22
B
x>22
C
4<x<22
D
x<4 or x>22