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3,There is a slide in a park. One of its side walls has been painted in some colour with amessage "KEEPTHE PARK GREENAND CLEAN" (see Fig. 12.10). If the sides of thewall are 15 m, 11 m and 6 m, find the area painted in colour.ツーKEEP THE PARKGREEN AND CLEAN15 mFig. 12.10 |
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