ABCD is a parallelogram and AM is the perpendicular from A to BC and AN is the perpendicular from A to CD.If AB is 6,3cm ,AD 4,9cm and AN 4,2cm.Calculate the area of the parallelogram.Hence Find AM

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  1. Consider CD as a base. CD=AB = 6.3
    Now, AN is the altitude from CD.
    So the area of ABCD is 6.3*4.2 = 26.46
    Now you know that BC*AM = 26.46
    You know BC=AD=4.9, so now find AM.

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