To achieve that, every 30 meters of the pyramid is represented as 1 centimeter on the outline ... object's height in meters by 30 to get its scale height in centimeters. Then find an object ...

are often written as a ratio, eg 1 : 250,000. They can also be written using measurements, eg 2 cm to 5 km. Divide both parts of the scale by the number of units. Eg, for a scale of 5 cm to 6 km ...