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Which of the following represents the length of the diagonal
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16 Jul 2019, 10:57
16 Jul 2019, 10:57
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Question Stats:
68% (00:41) correct
31% (00:12) wrong based on 35 sessions
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Which of the following represents the length of the diagonal d of a square with area a?
A. \(d=a^2\)
B. \(d= \sqrt{2a}\)
C. \(d=2 \sqrt{a}\)
D. \(d= a \sqrt{2}\)
E. \(d= a \sqrt{3}\)
A. \(d=a^2\)
B. \(d= \sqrt{2a}\)
C. \(d=2 \sqrt{a}\)
D. \(d= a \sqrt{2}\)
E. \(d= a \sqrt{3}\)
Re: Which of the following represents the length of the diagonal
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20 Apr 2020, 16:03
20 Apr 2020, 16:03
Expert Reply
if the area of a square equals to 'a',
the side of square will be √a
Diagonal of a square is d^2= (√a)^2+(√a)^2
d=√2*a
the answer choice is D
the side of square will be √a
Diagonal of a square is d^2= (√a)^2+(√a)^2
d=√2*a
the answer choice is D
gmatclubot
Re: Which of the following represents the length of the diagonal [#permalink]
20 Apr 2020, 16:03
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