In the sketch alongside, DP = PF and EQ = QF. AB = 6 cm and DE = 3 cm. A = 55° and D₂ = 75% Determine the length of PQ. (1) 6 cm (2) Determine the size of P₁. (3) If AE = EC, determine (i) the length of AD. (ii) the length of BC. B (iii) the size of B. 18 m 55 1 D 3 cm E 75° F