Math
posted by Nick .
A ramp rises 5 feet and is 13 feet long. What horizontal distance h, in feet, does the ramp cover?

This is a job for Pythagoras.
a^2 + b^2 = c^2
5^2 + b^2 = 13^2
25 + b^2 = 169
b^2 = 169  25
b^2 = 144
b = 12
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