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Let the length of the shorter side be x cm length of longer side= 6.5 cm perimeter= 22 cm >2[sum of adjacent sides]=22 >2[longer side+shorter side]=22 >2[6.5+x] = 22 = 22/2 =11 >6.5 + x =11 = 11 - 6.5 = 4.5 > x= 4.5

Parallelogram is, Opposite sides are equal but it will not satisfy the Pythagoras theorem. Perimeter = Sum of all sides. So, 22=6.5 +6.5+x+x 22=13+2x 2x=9 x=4.5