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The lines joining the circumcentre of a ...

The lines joining the circumcentre of a triangle to the vertices are extended to meet another circle with the same centre, and these points are joined to make another triangle.
'(##VPU_HSS_MAT_IX_C07_E03_002_Q01##)' i) Prove that the twò triangles are similar,
ii). Prove that the scale factor of the sides of the triangle is the scale factor of the rạdii of the circles.

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