SOLUTION: A 28 ft. ladder is leaning halfway up a 40 foot building. How far from the building should ladder be placed? (Round answer to the nearest foot)
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Question 363000: A 28 ft. ladder is leaning halfway up a 40 foot building. How far from the building should ladder be placed? (Round answer to the nearest foot) Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! A 28 ft. ladder is leaning halfway up a 40 foot building. How far from the building should ladder be placed? (Round answer to the nearest foot)
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halfway up the building would be 20 ft.
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apply pythagorean theorem
let x = distance from building
then
x^2 + 20^2 = 28^2
x^2 = 28^2 - 20^2
x^2 = 784 - 400
x^2 = 384
x = 19.5959
x = 20 feet (rounded)
