Pappus’s projective theorem

References

Images

Figure 7: Construction for Pappus' theorem (see text).

Pappus's projective theoremPappus of Alexandria (fl. ad 320) proved that the three points (x, y, z) formed by intersecting the six lines that connect two sets of three collinear points (A, B, C; and D, E, F) are also collinear.

Pappus’s projective theorem: Media

geometry

Images

Figure 7: Construction for Pappus' theorem (see text).

Figure 7: Construction for Pappus' theorem (see text).

Encyclopædia Britannica, Inc.

Pappus's projective theoremPappus of Alexandria (fl. ad 320) proved that the three points (x, y, z) formed by intersecting the six lines that connect two sets of three collinear points (A, B, C; and D, E, F) are also collinear.

Pappus's projective theoremPappus...

Encyclopædia Britannica, Inc.