Why Are the Mentioned Triangles Similar in the Explanation?

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Start date Aug 14, 2013
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user5

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Aug 14, 2013

Why in the provided explanation the mentioned triangles are similar?
Thanks in advance

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mfb

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Aug 14, 2013

The angle is chosen in such a way that they are. (they are isosceles triangles, they are similar if the angle at the center of the circle is the same).

Why Are the Mentioned Triangles Similar in the Explanation?

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Why Are the Mentioned Triangles Similar in the Explanation?

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