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Circle Theorem 6

Author:
Mr E. Bissoon
Topic:
Circle

Theorem 6

Two tangents drawn from a point to a circle are equal. In plain terms: Looking at the graphic below - Two lines are drawn from Point C and touch the Circle at Points D and E. The Radii OD and OE are perpendicular (at right angles) to lines CD and CE. The lengths of CD and CE will always be equal to one another.

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