2. 1 Press Ctrl-A ©G Dear 2009 – Not to be sold/Free to use Solving Problems Stage 6 - Year 11 General Mathematics Preliminary

3. 2 11.2 Solving Problems – (1/3) h 1 kilometre 1 m1 m h1 = 10003.2 320c m h = What is the height of the Eifel Tower built in Paris in 1889? h:1 = 1000:3.2 312.5 metres

4. 3 11.2 Solving Problems – (2/3)h 500 metres 1 m1 m h1 = 5008.95 895c m h = What is the height of the Leaning Tower of Pisa built in 1173? h:1 = 500:8.95 55.87 metres

5. 4 11.2 Solving Problems – (3/3) h 1 kilometre 1 m1 m h1 = 10002.624 262.4 c m h = What is the height of the Empire State Building built in 1931? h:1 = 1000:2.624 381 metres

6. 5 10 mm 11.3 Solving Problems – (1/2) Actual Height = ___ x 100 2700 = 2700 mm Buildings are always measured in mm. 27 The Fitzroy Scale = 1:100 House Plans

7. 6 11.3 Solving Problems – (2/2) The Fiztroy Scale = 1:150 Actual Width = __ x 150 11 400 = 11 400 mm Actual Length = __ x 150 14 100 = 14 100 mm 10 mm 76 94 94 76