1. (a) Kite (b) Trapezium (c) Arrowhead (d) Rectangle (e) Square
(f) Isosceles trapezium (g) Cyclic quadrilateral (h) Rhombus (i) Parallelogram
2. (a) Square
(b) Trapezium
(c) Rectangle
(d) Kite
3. (a) p = 63°, w = 63°, x = 90, y = 27°
(b) x = 5 cm, y = 103° , z = 53°
(c) p = 9, q = 119°, r = 61°, s = 119°
(d) b = 90° c = 36.9° (to 1 d.p.), d = 53.1° (to 1 d.p.), e = 36.9° (to 1 d.p.)
x = 5 cm