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Omni-MATH / (*) Let ABC be a triangle with ∠ABC obtuse. The A -excircle is a circle in the exterior of △ABC that is tangent to side (BC)¯ of the triangle and tangent to the extensions of the o… · Discussion

Discussing (*) Let ABC be a triangle with ∠ABC obtuse. The A -excircle is a circle in the exterior of △ABC that is tangent to side (BC)¯ of the triangle and tangent to the extensions of the o… · Omni-MATH

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