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Updated on: 10 Apr 2022, 05:11
Originally posted by nocilis on 02 Feb 2005, 22:35.
Last edited by Sajjad1994 on 10 Apr 2022, 05:11, edited 2 times in total.
Last edited by Sajjad1994 on 10 Apr 2022, 05:11, edited 2 times in total.
Edited the question and added the OA.
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
54% (00:56) correct
46%
(00:57)
wrong
based on 2431
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For the cube shown above, what is the degree measure of PQR?
A. 30
B. 45
C. 60
D. 75
E. 90
Attachment:
cube.gif [ 2.13 KiB | Viewed 112542 times ]
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30 Jun 2012, 07:43
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For the cube shown above, what is the degree measure of PQR?
A. 30
B. 45
C. 60
D. 75
E. 90
Note that triangle PQR is equilateral: it's made by the diagonals of the adjacent faces of the given cube (and as faces of a cube are squares its diagonals are equal). Thus angle BEG=60 degrees.
Answer: C.
cube.gif [ 2.28 KiB | Viewed 114762 times ]
A. 30
B. 45
C. 60
D. 75
E. 90
Note that triangle PQR is equilateral: it's made by the diagonals of the adjacent faces of the given cube (and as faces of a cube are squares its diagonals are equal). Thus angle BEG=60 degrees.
Answer: C.
Attachment:
cube.gif [ 2.28 KiB | Viewed 114762 times ]
23 May 2014, 12:22
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ankushbassi
Hi Ankush,
The angle in question is as shown.Please refer the diagram below:
Attachment:
g2.png [ 17.85 KiB | Viewed 104151 times ]
What you are referring are the two angles in two different planes.
which are angle POA and angle AOR each 45 degrees
They are on adjacent faces of the cube,which you cannot combine.
Attachment:
G5.png [ 11.18 KiB | Viewed 103708 times ]
Hope this helps.
Press kudos if it was of help.
Kindly check the following post with the poll and revert with your replies
10-straight-lines-no-two-of-which-are-parallel-and-no-three-171525.html
02 Feb 2005, 23:03
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60 as well
because the figure in question is a cube sides pq,qr,pr are equal. Hence pqr is an equilateral triangle. So you get 60 for each included angle.
Had this been a cuboid, then it is a different story.
because the figure in question is a cube sides pq,qr,pr are equal. Hence pqr is an equilateral triangle. So you get 60 for each included angle.
Had this been a cuboid, then it is a different story.
