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Julie is 6 feet tall if she stands 15 feet from the flagpole and holds a cardboard square the edges of the square light up with the top and bottom of the flagpole approximate the height of the flagpole

User Aleksey Saatchi
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1 Answer

13 votes
13 votes

Using tangent function:


\begin{gathered} \tan (\theta)=(opposite)/(adjacent) \\ (6)/(15)=(15)/(x-6) \\ solve_{\text{ }}for_{\text{ }}x\colon \\ 6(x-6)=15^2 \\ 6x-36=225 \\ 6x=225+36 \\ 6x=261 \\ x=(261)/(6) \\ x=43.5ft \end{gathered}

Julie is 6 feet tall if she stands 15 feet from the flagpole and holds a cardboard-example-1
User Wkeithvan
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