Question

In a model of a ship, the mast is 6 cm high,while the mast of the actual ship is 9 m high. If the length of the ship is 33 m, how long is the model of the ship?
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Answer 1

it's easy question solve it yourself by symmetry method.

9m=900cm

900m=6cm

so,1=6/900

so,3300cm=6/900×3300=22cm