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9 votes
9 votes
Before rock climbing, Fernando, who is 5,5 ft tall, wants to know how high he will climb,He places a mirror on the ground and walks six feet backwards until he can see the top ofthe cliff in the mirror,Ratio-

User Ivan Vergiliev
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2.8k points

1 Answer

13 votes
13 votes

\begin{gathered} Ratio=(5.5)/(6) \\ \\ Ratio=0.92 \\ The\text{ ratio is 0.92} \\ (5.5)/(6)=(x)/(34) \\ x=(5.5)/(6)\cdot34 \\ x=31.2 \\ The\text{ height of the cliff is 31.2 ft} \end{gathered}

User Robert Noack
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3.0k points
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