### Possible Answer

... the product of the lengths of the segments of one chord equal ... If two secant segments are drawn to a circle from the same external point, ... the product of the length of the secant segment and its external part equals the square of the length of the tangent segment . ... - read more

Tangents from the same external point. Two-Tangent Theorem: When two segments are drawn tangent to a circle from the same point outside the circle, the segments are equal in length. In the following diagram: If AB and AC are two tangents to a circle centred at O, then: - read more

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