2. The scale used in this restaurant plan is 1:100. The square grid paper used consists of 10mm by 10mm squares. Do you know what the actual length in cm is please.

Question

2. The scale used in this restaurant plan is 1:100.  The square grid paper used consists of 10mm by 10mm squares. Do you know what the actual length in cm is please.

oobleck · Answer

1:100 = 1mm : 100mm = 1mm : 10cm so, 10mm x 10mm = 100cm x 100cm