NOTE MATH FORM 3 - 9 scale drawing

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NOTE MATH FORM 3 - 9 scale drawing

  1. 1. Friday, January 25, 2013 SCALE DRAWING AIRIL AHMAD SMK PERIMBUN
  2. 2. Friday, January 25, 2013 EXERCISE Drawing
  3. 3. Friday, January 25, 2013 SCALE DRAWING Scale = Length of a side of the drawing Length of corresponding side of the object D Scale = O
  4. 4. DC= 4UNITS E Object D D’C’= 2UNITS DA Scale = O 2 Scale = 4 1 Scale = 2 Drawing D’ E’B C A’ B’ C’
  5. 5. ObjectDC= 4 unitsD’C’= 2 units Scale = 2 : 4 D 2 4Scale = Scale = : O 2 2 2Scale = 4 Scale =1: 2
  6. 6. DC= 3UNITS Scale = 2:1 Object B D’C’= 6UNITS 2 2A Scale = 6:3 Scale = 2:1 Scale = 1: 1/2 Drawing B’D C A’ D’ C’
  7. 7. ObjectDC= 3 units Scale = 6 : 3D’C’= 6 units 6 3 Scale = : D 6 6Scale = O 31 Scale =1: 6 62Scale = 3 1 Scale =1: 2
  8. 8. Friday, January 25, 2013 EXERCISE Scale
  9. 9. EXERCISE 1:Find the scale 3 cm Drawing 6 cm Object 6 cm 12 cm
  10. 10. EXERCISE 2:Find the scale Drawing Object 5 cm 15 cm
  11. 11. EXERCISE 3:Find the scale Object Drawing 4 cm 16 cm
  12. 12. EXERCISE 4:Find the scale Drawing 3 cm Object 24 cm
  13. 13. EXERCISE 5:Find the scale 2 cm Object6 cm Drawing
  14. 14. EXERCISE 6:Find the scale 5 cm Drawing 20 cm Object
  15. 15. EXERCISE 7:Find the scale Object 6 cm Drawing 18 cm
  16. 16. Friday, January 25, 2013 MAPS AND PLANS AIRIL BIN AHMAD
  17. 17. Friday, January 25, 2013 MAPS AND PLANS 1:10 000 Means 1cm on the map and 10 000cm on the groundThe ratio 1 is called the representative fraction (RF) 10 000 AIRIL BIN AHMAD

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