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Bunuel
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(1) If u = 90, u & w forms linear pair, this means w = 90, so the u-w=0
(2) Again, perpendicular means 90, u=w=90, thus u-w=0
Answer D
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I'm 99.9999% sure that the answer is B.

Statement 1) just says the value of one angle, you can't assume the value of the other.
Not Suff.
Statement 2) Makes clear reference to the relation of both values.
Suff.
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PaterD
I'm 99.9999% sure that the answer is B.

Statement 1) just says the value of one angle, you can't assume the value of the other.
Not Suff.
Statement 2) Makes clear reference to the relation of both values.
Suff.
Hi Peter,

You mean to say that u + w = 180 is wrong as per the given figure??

Sent from my Lenovo P1a42 using GMAT Club Forum mobile app
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Hi Peter,

You mean to say that u + w = 180 is wrong as per the given figure??

Sent from my Lenovo P1a42 using GMAT Club Forum mobile app[/quote]

:dazed Don't know what happended to me... must have been tired.
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Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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