REVIEW AND FD2 = 262 -102 (Pythagoras) CORRECTION OF FD = 24 cm HOMEWORK Area of figure = Area of rectangle + Area of triangle = 20 x 30 + ½ (20 x 24) cm2 = 840cm2 Perimeter = 5m +5m +3m +6m+3m = 22m LESSON 10 min INVESTIGATION: Use SCALE FACTOR: ENLARGEMENTS AND REDUCTIONS appropriate and CLASSWORK formulae and 1. conversions 1.1 Plot the following points on the Cartesian Plane given: between SI A(1;1); B(1;3); C(4,3); D(4;1) units, to solve 1.2 Now plot the following: problems and A’(2;2) calculate the B’(2;6) perimeter and C’(8;6) area of: D’(8;2) Polygons Circles
REVIEW AND CORRECTION OF HOMEWORK FD2 = 262 -102 (Pythagoras) FD = 24 cm Area of figure = Area of rectangle + Area of triangle = 20 x 30 + ½ (20 x 24) cm2 = 840cm2 Perimeter = 5m +5m +3m +6m+3m = 22m LESSON and CLASSWORK 10 min INVESTIGATION: SCALE FACTOR: ENLARGEMENTS AND REDUCTIONS 1. 1.1 Plot the following points on the Cartesian Plane given: A(1;1); B(1;3); C(4,3); D(4;1) 1.2 Now plot the following: A’(2;2) B’(2;6) C’(8;6) D’(8;2) Use appropriate formulae and conversions between SI units, to solve problems and calculate the perimeter and area of: Polygons Circles
Gr_9_Term_2_Lesson_PLans_Final.docx