I understood that first one will be at 0. Why do we have to do 450-15?
I thought it should be 450-0
You’re miscalculating that the the 30th pole will be at 450
It will actually be at 435 feet if the first pole starts at 0 feet
So the distance between 1st and 30th is 435 - 0 and not 450 - 0
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