Mathematics, 14.12.2021 20:30 nini0372

The diagram shows a circular pond, of radius r metres, surrounded by a circular path. The circular path has a constant width of 1.5 metres. The area of the path is the area of the pond.(a) Show that 2r2 − 60r − 45 = 0

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The diagram shows a circular pond, of radius r metres, surrounded by a circular path. The circular p...

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