Simple Math
posted by Jessica .
Please explain to me what I need to do .
A cable 35 feet long runs from the top of a utility pole to a point on the ground 30 feet from the base of the pole. How tall is the utility pole ?

Simple Math 
PsyDAG
Pythagorean theorem:
x^2 + 30^2 = 35^2
Solve for x.
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