Question 1 (ii) State the property that is used in each of the following statements: If ∠4=∠6, then a||b.
State the property that is used in each of the following statements?
(i) If a||b, then ∠1 = ∠5
(ii) If ∠4 = ∠6, then a||b
(iii) If ∠4 + ∠5 = 180°, then a||b