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# Angles of a Triangle

GMAT-F1SC2L

Imagine a triangle $XYZ$.

If angle $Z$ measures $50$ degrees, and angle $Y$ is an unknown value $k$ which is $10$ degrees greater than angle $X$, what is the value of $k$?

A

$50$

B

$60$

C

$70$

D

$140$

E

$180$