In a parallelogram. the lenght of one side is 11cm.and the length of its diagonal is 26 cm and 12 cm respectively.find the length of other side of a paralellogram.
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Step-by-step explanation:
area of parallelogram=1/2 (diagonal 1)×(diagonal 2)
it is also equal to product of its sides i.e=l×b
hence
1/2×d1×d2=l×b
given d1=20
l=11
b=13
hence d2=14.3
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