The scale Alexander is using for his map is 1 inch : 300 feet
The height of Alexander's triangle in inches is 4 inches
How to find the scale of the map
The scale of the map is gotten by comparing the first dimensions Alexander drew
He made 10 inches to represent 3000 feet, this is equivalent to 1 inch to 300 feet hence the scale is 1 inch : 300 feet
Using the scale, a height of 1200 feet would be
1 inch = 300 feet
? inch = 1200 feet
cross multiplying
? * 300 = 1200 * 1
? = 1200 / 300
? = 4 inches
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