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Year 9 Diana fountain maths activity

Year 9 have recently learned trigonometry and took that knowledge out to Bushy Park to calculate the height of Diana Fountain. Rule No. 1 was not to get wet, so we needed to find the circumference of the lake in order to get the radius. Using the radius of the lake, the angle of elevation and the tangent ratio, the students calculated the height of the fountain. Solutions ranged from 15m (only slightly off) to heights that would put the Eiffel Tower to shame. Maths in the real world is not that easy after all.