4. Can a quadrilateral ABCD be a parallelogram, if :
(i) AB = DC = 5 cm, AD = 3.8 cm and BC = 3.6 cm
(ii) angleA = 95°, angleB = 75°
(iii) angleB = 105°, angleD = 75°
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Step-by-step explanation:
no it is not a parallelogram because
- sum of all angle of a parallelogram is 360°but on adding a+ b+ c+ d = 350°
- there also must be AD=BC .because the opposite side of a parallelogram is equal to each othet
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