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25 Sep 2019, 01:02
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
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Question Stats:
85% (00:51) correct
15%
(01:10)
wrong
based on 105
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What is the value of a ?
A. 4
B. \(2 \sqrt{6}\)
C. \(4 \sqrt{6}\)
D. 6
E 24
Attachment:
#greprepclub what is the value of a.jpg [ 18.24 KiB | Viewed 4393 times ]
25 Sep 2019, 01:41
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We dont really need a height over there.
The big triangle is a right triangle with hypotenuse 7
Old but GOld Pythagora can help
\(a^2+5^2=7^2\)
\(a=2\sqrt{6}\)
IMO
Ans: B
The big triangle is a right triangle with hypotenuse 7
Old but GOld Pythagora can help
\(a^2+5^2=7^2\)
\(a=2\sqrt{6}\)
IMO
Ans: B
21 Oct 2019, 06:16
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It's a right angled triangle, will use Pythagoras theorem:
given are height and hypotenuse, need to find out base(b):
\(5^2 + b^2 = 7^2\\
=> b = 2\sqrt{6}\)
Answer - Option B it is!
given are height and hypotenuse, need to find out base(b):
\(5^2 + b^2 = 7^2\\
=> b = 2\sqrt{6}\)
Answer - Option B it is!
