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Direct linkMcCartney, M. – International Journal of Mathematical Education in Science & Technology, 2005
A simple problem relating to birds chasing each other gives rise to a homogeneous differential equation. The solution draws on student skills in differential equations and basic co-ordinate geometry.
Descriptors: Geometry, Geometric Concepts, Equations (Mathematics), Mathematics Education
Abu-Saymeh, S.; Hajja, M. – International Journal of Mathematical Education in Science & Technology, 2005
A point "E" inside a triangle "ABC" can be coordinatized by the areas of the triangles "EBC," "ECA," and "EAB." These are called the barycentric coordinates of "E." It can also be coordinatized using the six segments into which the cevians through "E" divide the sides of "ABC," or the six angles into which the cevians through "E" divide the angles…
Descriptors: Geometry, Geometric Concepts, Mathematics Education, Class Activities
