Question
Given a point $P$ anywhere on a line $w,$ construct a circle of radius $r$ that is tangent to $w$ at $P$.
Step 1
\[ \begin{{tikzpicture}} \draw[thick, ->] (-2,0) -- (2,0) node[right] {$w$}; \filldraw (0,0) circle (2pt) node[below] {$P$}; \end{{tikzpicture}} \] Show more…
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