A200 foot wire is attached from the top of a tower to a point on the ground 40 feet from the base of the tower . find the height of the tower to the nearest foot

Pythagorean theorem: a^2 + b^2 = c^2 (a is the base to the point, b is the height, c is the length of the wire/the hypotenuse)
Plug in: 40^2 + b^2 = 200^2
40,000-1,600 = b^2
Square root of 38,400 = 195.96 feet

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