Construct a point P, which is the nearest point of the line a =AB from point C.
https://www.geogebra.org/m/dsd4r6hd
Answer with the image:
Construct the vertices B, C, D of the ABCDA'B'C'D 'cube base, given the vertex A and the straight line, on which lies the edge CC '.
https://www.geogebra.org/m/amzh9stn
Answer with the image:
Make a line p,q so that three lines a,b,p and a,b,q will be edges of the regular triangular pyramid.
https://www.geogebra.org/m/jbptuzg9
Answer with the image:
Construct a sphere k, whose diameter is line AB.
https://www.geogebra.org/m/sayvatbg
Answer with the image:
Construct the closest point P of the plane α = ABC to the given point Q.
https://www.geogebra.org/m/bhkxpfwe
Answer with the image:
Make nearest point P ball k to setting point M.
https://www.geogebra.org/m/qbf835qx
Answer with the image:
Construct points C, D of a given line a that are as far away from a given point A as a given point B.
https://www.geogebra.org/m/qzjarhyy
Answer with the image:
Make point V as center straight line AB.
.https://www.geogebra.org/m/c8d6xwuv
Answer with the image: