quadrilateral RSTV a rectangle?

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grandh01: Master | Next Rank: 500 Posts; Posts: 265; Joined: Tue Jul 03, 2012 11:04 pm; Followed by:6 members

by grandh01 » Mon Aug 20, 2012 10:33 pm

Is quadrilateral RSTV a rectangle?
(1) The measure of âˆ RST is 90o
(2) The measure of âˆ TVR is 90o

Source: Beat The GMAT — Data Sufficiency | Mon Aug 20, 2012 10:33 pm

Anurag@Gurome: GMAT Instructor; Posts: 3835; Joined: Fri Apr 02, 2010 10:00 pm; Location: Milpitas, CA; Thanked: 1854 times; Followed by:523 members; GMAT Score:770

by Anurag@Gurome » Mon Aug 20, 2012 10:52 pm

grandh01 wrote:Is quadrilateral RSTV a rectangle?
(1) The measure of âˆ RST is 90o
(2) The measure of âˆ TVR is 90o

(1) The measure of âˆ RST is 90Âº.

The figure clearly shows that RSTV may or may not be a rectangle; NOT sufficient.

(2) The measure of âˆ TVR is 90Âº.

Again the figure shows that RSTV may or may not be a rectangle; NOT sufficient.

Combining (1) and (2), see the figure below:

Again, RSTV may or may not be a rectangle; NOT sufficient.

The correct answer is E.

Anurag Mairal, Ph.D., MBA
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