Steps of Construction of a parallelogram:
(i) Draw AC = 5.4 cm.
(ii) Bisect AC at O.
(iii) Make ∠COX = 70° and produce XO to Y.
(iv) Set off OB = 1/2 (6.2) = 3.1 cm and OD = 1/2 (6.2) =3.1cm .
(v) Join AB, BC, CD and DA. Then, ABCD is the required parallelogram.