Question

prove that all circle are congruent

Answer 1

its not congruent its similar~

Answer 2

A tangent to a circle isperpendicular to the radius drawn to the point of tangency. 2. Tangent segments to a circle from a point outside the circle are congruent. ... Theorem - in the same circle or incongruent circles, two minor arcs arecongruent if and only if their corresponding chords are congruent.