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Omni-MATH / Let ABC be a triangle with ∠ABC obtuse. The [i]A-excircle[/i] is a circle in the exterior of △ABC that is tangent to side BC of the triangle and tangent to the extensions of the ot… · Discussion

Discussing Let ABC be a triangle with ∠ABC obtuse. The [i]A-excircle[/i] is a circle in the exterior of △ABC that is tangent to side BC of the triangle and tangent to the extensions of the ot… · Omni-MATH

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