3 years ago

the slope of a ramp from the sidewalk to the street has to be 1/20. the height of a ramp is 2.5 inches.what is the horizontal le

ngth of the ramp

1 answer:

6 0

$\bf slope = {{ m}}= \cfrac{rise}{run}\implies \cfrac{1}{20}
\\\\\\
\cfrac{\stackrel{height}{2.5}}{\stackrel{length}{x}}=\cfrac{\stackrel{rise}{1}}{\stackrel{run}{20}}\implies \cfrac{2.5\cdot 20}{1}=x$

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