Question

A scale drawing of a building is shown below.7 cm3 cmLobbyGym1 cmCoatRoom5 cmScale: 1 cm = 10 mWhat is the perimeter of the actual gym?

Answer 1

We first determine the perimeter of the gym using the scaled numbers, that is:

`p_s=5+4+5+4\Rightarrow p_s=18`

Now, since the scaled perimeter is of 18 cm, we then use the scale (1 cm = 10 m) to determine the total perimeter of the gym:

`p=18\cdot10\Rightarrow p=180`

We will haave that the real perimeter of the gym is of 180 meters.