Khayyam 1

We have line f through A and B. and line t through B, perpendicular to f and point C on line f, below B.
Draw a circle with diameter AC (find midpoint with the midpoint tool).
Let E and F be the intersection points of this circle with line t.
Draw the line through E perpendicular to t.
Draw the line through C perpendicular to f.
Let G be their intersection.
Use the locus tool: select G, then C, to find the locus of G as C moves.
.Repeat step 9 with C on the other side of line f.
Answer the Wooclap question: what type of curve is the locus?

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