I.! Explain the meaning of "north elevation" on the diagram. 1.2 Refer to the diagram above. Define the following terms respectively: (a) A floor plan (a) An elevation plan 3 Use the scale of 1: 100 to calculate the actual length on the plan if the Measured length is 5 cm. Mr Dudley, a farmer, travels from his farm to the city once a week. The distan from the city to his farm is 90 km. He plans to buy 4 boxes of tiles to replace broken tiles in his kitchen. 1.2.1 Convert 90 n km to mm 121​