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whatwIllOC180The triangular side walls of a flyover have been used for advertisements. Thethe walls are 122 m, 22 m and 120 m (see Fig. 12.9). The advertiseearning of 5000 per m2 per year. A company hiredmuch rent did it pay?cm,2.one of its walls for 3 monhs. H122m22m120mFig. 12.9

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