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2The triangular side walls of a flyover have been used for advertisements. The sides othe walls are 122 m, 22 m and 120 m (see Fig. 12.9). The advertisements yield aearning of t 5000 per m per year. A company hired one of its walls for 3 months, Homuch rent did it pay?122m22m120mFig. 12.9 |
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