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19 Jun 2016, 10:48
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Difficulty:
25%
(medium)
Question Stats:
78% (01:24) correct
22%
(01:44)
wrong
based on 46
sessions
History
Date
Time
Result
Not Attempted Yet
In a rectangular axis system, what is the area of a parallelogram with the coordinates: (5,7), (12,7), (2,3), (9,3) ?
A. 21.
B. 28.
C. 35.
D. 49.
E. 52.
A. 21.
B. 28.
C. 35.
D. 49.
E. 52.
19 Jun 2016, 13:06
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Area of parallelogram = b*h.
Base = Distance in x coordinates between (2,3) and (9,3) = 7
Height = Difference in y coordinates between (5,7) and (2,3) = 3.
Area = 7*3 = 21.
Base = Distance in x coordinates between (2,3) and (9,3) = 7
Height = Difference in y coordinates between (5,7) and (2,3) = 3.
Area = 7*3 = 21.
20 Jun 2016, 00:24
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FacelessMan
There's a slight mistake. Change in y-coordinate = (7-3) = 4.
Thus area = 7*4 = 28.
Cheers
