Geogebra练习: 绘制一个简单的四叶玫瑰
2014-05-24 18:28
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http://mathandmultimedia.com/2010/08/13/geogebra-tutorial-loci-roses-and-reflections/
This is the 30th GeoGebra Tutorial of the GeoGebra Intermediate Tutorial Series. If this is
your first time to use GeoGebra, you might want to read the GeoGebra Essentials Series.
In this tutorial, we reflect a point on a unit circle about the x-axis and about the y-axis to form rectangle ABCD. We construct a segment with length equal to the area of the rectangle
passing through pointB. One of the endpoints of this segment is at the origin. As we move the point Balong the the circle, the trace of the end point of the segment that not on the circle’s
center will form a 4-petal rose.
If you want to follow this tutorial step-by-step, you can open the GeoGebra window in your browser by clicking here. You can
view the output of this tutorial here.
Step-by-Step Instructions
This is the 30th GeoGebra Tutorial of the GeoGebra Intermediate Tutorial Series. If this is
your first time to use GeoGebra, you might want to read the GeoGebra Essentials Series.
In this tutorial, we reflect a point on a unit circle about the x-axis and about the y-axis to form rectangle ABCD. We construct a segment with length equal to the area of the rectangle
passing through pointB. One of the endpoints of this segment is at the origin. As we move the point Balong the the circle, the trace of the end point of the segment that not on the circle’s
center will form a 4-petal rose.
If you want to follow this tutorial step-by-step, you can open the GeoGebra window in your browser by clicking here. You can
view the output of this tutorial here.
Step-by-Step Instructions
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