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04 Feb 2019, 04:43
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
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Question Stats:
75% (02:01) correct
25%
(01:54)
wrong
based on 60
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What is the area of quadrilateral ABCD?
A. 38
B. 40
C. 42
D. 44
E. 45
Attachment:
#GREpracticequerstion What is the area of quadrilateral ABC.jpg [ 20.15 KiB | Viewed 2086 times ]
Updated on: 04 Feb 2019, 05:34
Originally posted by Archit3110 on 04 Feb 2019, 04:48.
Last edited by Archit3110 on 04 Feb 2019, 05:34, edited 1 time in total.
Last edited by Archit3110 on 04 Feb 2019, 05:34, edited 1 time in total.
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Bunuel
What is the area of quadrilateral ABCD?
A. 38
B. 40
C. 42
D. 44
E. 45
Extend the line c down to x axis and let point D meet the perpedicular of pt C at E
Triangle DCE x=6 & y = 4
rectangle = AFCE ; length = 10 & width = 4
triangle BFC= height = 10 and base = 2
0.5*2*10 +10*4- 0.5*6*4= 38
IMO A
KanishkM
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04 Feb 2019, 05:21
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Bunuel
What is the area of quadrilateral ABCD?
A. 38
B. 40
C. 42
D. 44
E. 45
Attachment:
#GREpracticequerstion What is the area of quadrilateral ABC.jpg
Inline is my take, i extended the lines to get a rectangle with length 10 and breadth 6
Total area = 60, now when you extend the lines and make this figure you will get 2 right triangles with dimensions as 4(h),6(b) and 2(h),10(b)
Area = 60 - [1/2 * 4*6 + 1/2 * 2*10]
60 - 22
38
A
