Жауабы: In the L is the tangent line to the circle. If DC=6 cm, AC=9 cm and BC=?
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In the L is the tangent line to the circle. If DC=6 cm, AC=9 cm and BC=?
The image shows a circle. A secant line passes through point C outside the circle, intersecting the circle at points A and B. A tangent line L also passes through point C and touches the circle at point D.