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Transcript
The inscribed angles subtended by the same arc are congruent Angle 2 Angle 1 arc The Tangent Segments to a Circle are Congruent So the Hypotenuse of the 2 triangles must be the same. Same length sides, common angle, … they are the same triangle This triangle side is common to both triangles These are tangent lines to the circle These sides of the triangle are the same since they are both radii So these must be 90° angles (By previous property)
