Mini-Investigation Use what you know about isosceles triangles and the angle formed by a
Chapter 6, Problem 8(choose chapter or problem)
Mini-Investigation Use what you know about isosceles triangles and the angle formed by a tangent and a radius to find the missing arc measure or angle measure in each diagram. Examine these cases to find a relationship between the measure of the angle formed by a tangent and chord at the point of tangency, ABC, and the measure of the intercepted arc, AB. Then copy and complete the conjecture below. Conjecture: The measure of the angle formed by the intersection of a tangent and chord at the point of tangency is . (Tangent-Chord Conjecture)
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