Given a parallelogram ABCD. Complete each statement along with the definition or property used

Given a parallelogram ABCD. Complete each statement along with the definition or property used

Given a parallelogram ABCD. Complete each statement along with the definition or property used. (i) AD = ...... (ii) ∠ DCB = ...... (iii) OC = ...... (iv) m ∠DAB + m ∠CDA = ...... Class 8 Maths NCERT Chapter 3 Understanding Quadrilaterals exercise 3.3 question no 1