1. 1 Press Ctrl-A ©G Dear2008 – Not to be sold/Free to use Stage 6 - Year 12 Mathematic (HSC)

2. 2 1. Rectangle2. Square3. Rhombus 4.Parallelogram 5. Trapezium 6. Kite You must know their properties Types of Quadrilaterals

3. 3 1. Triangle2. Square3. Pentagon 4. Hexagon 5. Octagon Types of Regular Polygons

4. 4 1. Angle Sum of a Polygon. 2. Interior angle. 3. Exterior angle a f c b e d = (n – 2) x 180 (n is the number of angles) Divide the angle sum by the number of angles. The exterior angles of add to 360 o. Regular Polygons

5. 5 Area Formulae 1.Square A = s 2 s 2. Rectangle A = LB L B 3.Triangle A=½bh b h 6.Trapezium A=½(a+b)h b a h 7.Circle A=πr 2 r 4. Parallelogram A=bh b h 5.Rhombus/Kite A=½xy x y x y