Answer :

AB = DC =18 m


Perimeter of parallelogram ABCD = AB + BC + CD + DA


96 = 18 + BC + 18 + BC


(opposite sides of a parallelogram are equal)


2 BC = 96 – 36 = 60


BC = AD = 30 m


Given, area of parallelogram ABCD = 270 m2



We know that,


Area of a parallelogram = b × h (corresponding height)


Taking AB as the base,


AB × l = 270


18 × l = 270


l = 15 m


Taking AD as the base,


AD × m = 270


30 × m = 270


m = 9 m


Length of the other side = 30 m


Length of altitude l = 15 m


Length of altitude m = 9 m


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