Seudónimo Seudónimo
  • 25-04-2017
  • Mathematics
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Need help with 8-9.

Need help with 89 class=

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SamuelS
SamuelS SamuelS
  • 25-04-2017
So it is 5cm to 1m or 5cm to 1000cm
So the scale is the ratio which is 5:1000. this can be reduced to 1:200

10. if the room is 15cm on one side I can say that the ratio to actual size is 15/x. and scale is 1/200 so:
15/x = 1/200
3000 = x is one side

other side:
20/x = 1/200
4000 = x
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