Source: Official Guide Revised GRE 1st Ed. Part 8; Section 5; #13

1

In the figure above, if m || k

In the figure above, if m || k and s = t + 30, then t = 30, 60, 75, 80, 105

2 Explanations

1

GLOBAL INVESTMENT MEDIA

pg. 333. 2nd edition of the book[ the official guide to the GRE]

Plug in method: FASTER!
1.PICK a number from the answer choices into the equation s=t+30
2. s+t=180 supplementary angles.
3. picked # +30 +picked # = 180

Jul 11, 2014 • Comment

1

Gravatar Chris Lele, Magoosh Tutor

Oct 11, 2012 • Comment

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