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GeoGebraGeoGebra Classroom

Triangle on 3 concentric circles

Given three concentric circles - HOW can you construct using straight edge and compass only, an - isosceles triangle - isosceles right triangle - equilateral triangle with one vertex on each circle? Does your construction work for any set of three concentric circles? Use the blue dots to set the radii of the circles Use the green dots to position the vertices of the triangle