Question Number 174769 by Best1 last updated on 10/Aug/22 | ||
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Answered by Ar Brandon last updated on 10/Aug/22 | ||
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$$\mathrm{height}\:=\:\mathrm{60tan40}°+\mathrm{1}.\mathrm{8}\:\mathrm{m} \\ $$ | ||
Answered by Ar Brandon last updated on 10/Aug/22 | ||
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$$\mathrm{61}.\:{B} \\ $$ | ||