Math Problem Statement
Which of the following is true about AB in the figure given?
AB is a secant to the circle, C.
AB is a tangent to the circle, C.
AB is a chord to the circle, C.
AB is NOT a tangent to the circle, C.
Solution
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Math Problem Analysis
Mathematical Concepts
Circle Geometry
Tangents
Secants
Chords
Formulas
The tangent to a circle is perpendicular to the radius at the point of contact.
Theorems
Tangent-Secant Theorem
Pythagoras' Theorem
Suitable Grade Level
Grades 8-10