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Circle Touching the $$x$$-Axis at a Given Point
If the circle touches the $$x$$-axis at $$(a,0)$$ and has radius $$r$$, its centre is:
$$(a,\pm r)$$
Usage
- Used to determine the centre when the point of tangency with the $$x$$-axis is known.
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Circle Touching the $$x$$-Axis at a Given Point
If the circle touches the $$x$$-axis at $$(a,0)$$ and has radius $$r$$, its centre is:
$$(a,\pm r)$$
Usage
- Used to determine the centre when the point of tangency with the $$x$$-axis is known.
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