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23 Aug 2018, 04:15
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
85% (01:43) correct
15%
(02:06)
wrong
based on 47
sessions
History
Date
Time
Result
Not Attempted Yet
What is the area of quadrilateral ABCD?
A. 84
B. 168
C. 172
D. 252
E. 336
Attachment:
image031.jpg [ 2.45 KiB | Viewed 1729 times ]
23 Aug 2018, 04:48
Kudos
Bookmarks
Bunuel
What is the area of quadrilateral ABCD?
A. 84
B. 168
C. 172
D. 252
E. 336
Attachment:
image031.jpg
drop a perpendicular from D to AB at P
now,
BP = 7
PD = 24
AP = 7
total area = area of DPBC + area of triangle ADP
=(24*7) + \(\frac{1}{2}\)* 24*7 = 24*7 ( \(\frac{3}{2}\)) = 252
23 Aug 2018, 04:50
Kudos
Bookmarks
Bunuel
What is the area of quadrilateral ABCD?
A. 84
B. 168
C. 172
D. 252
E. 336
Attachment:
image031.jpg
Draw DE perpendicular to AB
Area of quadrilateral= Area of right angled triangle AED+Area of rectangle EBCD=1/2*7*24+ (24*7)=84+168=252
Ans. (D)
