Answer :
The height of the tower in Alex's drawing is 20.7 centimeters.
What is Unit of Measurement?
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
We need to find the height of the tower in Alex's drawing.
Let us multiply the actual height of the tower by the scale factor.
Scale factor = 1 : 4000
Height of the actual tower = 828 meters
Height of the tower in Alex's drawing = 828 meters x (1/4000) = 0.207 meters or 20.7 centimeters.
Therefore, the height of the tower in Alex's drawing is 20.7 centimeters.
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