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Excircle |
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Given a triiangle, extend two nonadjacent sides. The circle tangent to these two lines and to the other side is called an excircle. The center of an excircle is called an excenter. 
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Excircle |
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Given a triiangle, extend two nonadjacent sides. The circle tangent to these two lines and to the other side is called an excircle. The center of an excircle is called an excenter.
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