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Point Q lies inside rectangle ABCD so that QA = 2, QB = 3...
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Updated on: 25 Oct 2020, 02:28
Updated on: 25 Oct 2020, 02:28
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46% (02:24) correct
53% (02:53) wrong based on 13 sessions
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Point Q lies inside rectangle ABCD so that QA = 2, QB = 3, and QC = 4. What is the value of QD?
A. \(\sqrt{11}\)
B. \(\sqrt{13}\)
C. \(\sqrt{20}\)
D. \(\sqrt{21}\)
E. \(\sqrt{29}\)
A. \(\sqrt{11}\)
B. \(\sqrt{13}\)
C. \(\sqrt{20}\)
D. \(\sqrt{21}\)
E. \(\sqrt{29}\)
Originally posted by bunterocks on 23 Oct 2020, 20:35.
Last edited by Carcass on 25 Oct 2020, 02:28, edited 2 times in total.
Last edited by Carcass on 25 Oct 2020, 02:28, edited 2 times in total.
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Re: Point Q lies inside rectangle ABCD so that QA = 2, QB = 3...
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24 Oct 2020, 02:22
24 Oct 2020, 02:22
Expert Reply
Please provide the oA
Regards
Regards
Re: Point Q lies inside rectangle ABCD so that QA = 2, QB = 3...
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24 Oct 2020, 08:35
24 Oct 2020, 08:35
2
Look at the following image:
IMG_0686.jpg [ 1.44 MiB | Viewed 2948 times ]
The first four equations are given by Pythagorean theorem.
The fifth expression is obtained by summing the first three equations.
Answer is A.
Attachment:
IMG_0686.jpg [ 1.44 MiB | Viewed 2948 times ]
The first four equations are given by Pythagorean theorem.
The fifth expression is obtained by summing the first three equations.
Answer is A.
