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In the figure above, what is the area of square QRST?

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In the figure above, what is the area of square QRST?  [#permalink]

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New post 11 Nov 2017, 05:42
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

96% (00:29) correct 4% (00:00) wrong based on 35 sessions

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In the figure above, what is the area of square QRST?

(A) 25
(B) 20√2
(C) 25√2
(D) 50
(E) 50√2

Attachment:
2017-11-10_1035_002.png
2017-11-10_1035_002.png [ 7.62 KiB | Viewed 562 times ]

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Re: In the figure above, what is the area of square QRST?  [#permalink]

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New post 11 Nov 2017, 05:54
D

by Pythagoras theorem, the hypotenuse is 50. as the square is located with the hypotenuse as the side it directly gives the area as 50.
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Re: In the figure above, what is the area of square QRST?  [#permalink]

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New post 12 Nov 2017, 06:12
By Applying the Pythagoras theorem we can find the length of QT and since QRST is a square so square of one side will be the area
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Re: In the figure above, what is the area of square QRST? &nbs [#permalink] 12 Nov 2017, 06:12
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In the figure above, what is the area of square QRST?

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