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

hard

A line intersects two parallel lines. One angle is $(7x-250{)}^{\circ }$. The sum of four angles is $k^{\circ }$. Which could NOT be $k$?

A

$-14x+1,540$

B

$14x-320$

C

$-28x+1,720$

D

$360$