Page 3 - CBQ CH6
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                       11. 96m , 40 m
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                       12. A. 1000m , b. 130m, c.  Length = 40 - 4 = 36 m
                          Width = 25 - 4 = 21 m, (d) Area of playing field = 36 × 21 = 756 m²
                          (e) Area of walking track = 1000 - 756 = 244 m²
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