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A post 47m high is supported by wires attached to its top and to a point on level ground, 18m from the foot of the post. Find the length of each wire.

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TSO

We need to use the pythagorean theorem

a^2 + b^2 = c^2

where a and b are the legs, and c is the hypotenuse

47^2 + 18^2 = c^2

c = sqrt(2533)

c = 50.33 

The length of the wire is 50.33 meters.

(See attached image.)

View image TSO

The answer is 50.33

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