Geometry Fundamentals: Slope 2
Geometry
Level
1
When driving uphill, you see a sign that looks like this one.
What does this sign mean?
The road rises 1.2 units for every 100 units of horizontal distance
The road rises 12 units for every 100 units of horizontal distance
The road makes an angle of
with the horizontal
The road rises 1 unit for every 12 units of horizontal distance
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12% can be written as a fraction as 1 0 0 1 2 . If the grade of a road is 12%, then its slope is 1 0 0 1 2 , meaning that the road rises 12 vertical feet for every 100 horizontal feet.