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Question : 5 of 120
Marks:
+1,
-0
Solution:
The given diagonals of the parallelogram are
=3+−2 and
=−3+4 Using the formula for the area of a parallelogram whose diagonals
and
are given, we get:
Area
=|×|=|(a2b3−a3b2) +(a3b1−a1b3)+(a1b2−a2b1)| =√4+196+100 =√300 =5√3
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