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DC=AB=9
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19 Sep 2022, 06:53
19 Sep 2022, 06:53
Expert Reply
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Question Stats:
66% (01:29) correct
33% (02:01) wrong based on 18 sessions
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DC=AB=9
DB<3
Quantity A |
Quantity B |
Perimeter of triangle ABC |
36 |
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
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: DC=AB=9
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10 Oct 2022, 12:50
10 Oct 2022, 12:50
Expert Reply
DC=9
So BD is <3 Suppose for a moment it is =3
BA is =9
We need to find AC
\(9^2+12^2=x^2\)
\(81+144=x^2\)
\(X=15\)
So the perimeter of ABC is = 36
But we knew that BD <3
So the perimeter is <36
The answer is B
So BD is <3 Suppose for a moment it is =3
BA is =9
We need to find AC
\(9^2+12^2=x^2\)
\(81+144=x^2\)
\(X=15\)
So the perimeter of ABC is = 36
But we knew that BD <3
So the perimeter is <36
The answer is B
gmatclubot
Re: DC=AB=9 [#permalink]
10 Oct 2022, 12:50
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