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22-01-2022
Mathematics

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A 20-ft flagpole casts a shadow of 12 feet long. How tall is a nearby building that casts a shadow of 20 feet long? Round to one decimal place.

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22-01-2022

a^2 + b^2 = c^2
20^2 + 12^2 = c^2
400+144 = c^2
544 = c^2
Sqrt(544) = Sqrt(c^2)
23.3 = c

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