?

GMAT®

Free Version

Upgrade subject to access all content

Difficult

Angles of Non-Parallel Lines 3

GMAT-6D1XPV

If $b+d=m+n$ and $b=d$, what is $x$?

A

$45$ degrees

B

$30$ degrees

C

$60$ degrees

D

$75$ degrees

E

Not enough information is given.