Tangent Secant Segment Power Theorem

1. Fill in the table below . For each trial, move any of the point C, B, or D.
2. Compare BE(CE) and [math]\left(DE\right)^2[/math].[br]3. Complete this statement: If a tangent segment and a secant intersect outside the circle, then the square of the length of the tangent segment is ____________ to the product of the lengths of the secant segment and its external part.[br]
Proof of the theorem is on the link below.
Video showing examples applying the theorem is found below.
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Information: Tangent Secant Segment Power Theorem