GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Nov 17Live Online Classes with Top GRE Expert Rich Zwelling
08:00 PM EST
-10:00 PM EST
Get live instruction from a top-scoring, industry-recognized GRE teachers + 6 months of access to TTP Self-Study included! Tues/Thur Sept 7, 2026---Feb. 2, 2027, 1:00pm-3:00pm EST
Dec 14Live Online Classes with Top GRE Expert Michael Butville
08:00 PM EST
-10:00 PM EST
Get live instruction from a top-scoring, industry-recognized GRE teachers + 6 months of access to TTP Self-Study included! Mon/Wed Dec. 14, 2026---Feb. 22, 2027, 8:00pm-10:00pm EST
a + b + c vs 180
[#permalink]
26 Sep 2018, 15:34
26 Sep 2018, 15:34
Expert Reply
1
Bookmarks
00:00
Question Stats:
77% (00:39) correct
22% (00:16) wrong based on 111 sessions
Hide Show timer Statistics
Attachment:
Capture.JPG [ 10.73 KiB | Viewed 7470 times ]
Quantity A |
Quantity B |
a + b + c |
180 |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Re: a + b + c vs 180
[#permalink]
27 Sep 2018, 01:58
27 Sep 2018, 01:58
1
the sum of all exterior angles of all polygons is 360 degrees. hence A is greater than B.
OR
LET A,B,C be the interior angles of a,b,c respectively. Hence, a=180-A, b=180-B, c=180-C.
a+b+c= 180-A+180-B+180-C = 180-180-180- (A+B+C) = 540- 180 (USING ANGLE SUM PROPERTY)
a+b+c=360.
OR
LET A,B,C be the interior angles of a,b,c respectively. Hence, a=180-A, b=180-B, c=180-C.
a+b+c= 180-A+180-B+180-C = 180-180-180- (A+B+C) = 540- 180 (USING ANGLE SUM PROPERTY)
a+b+c=360.
