39
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A scale is simply the ratio of one quantity of a model to that of it prototype. A scale of 1:38 signifies that the for every one unit, the size of the prototype is 38 units larger. Therefore if the width of the base of the model (eg a rectangle representing a rectangular building is 1m, the length of the building with exact properties as that of the model, in terms of shape, wil be 38.
how big is 1/3
400mm
it's about 58'4"
It will depend on how large the real aircraft is in real life.
The height of a ball is 12 m A scale model is made of a hall The height of the scale model of the hal is 30 cm Express the scale of the model in the form 1n?