MathDB

417

Part of 1985 All Soviet Union Mathematical Olympiad

Problems(1)

ASU 417 All Soviet Union MO 1985 circle's distance in different cube's planes

Source:

8/5/2019
The ABCDA1B1C1D1ABCDA_1B_1C_1D_1 cube has unit length edges. Find the distance between two circumferences, one of those is inscribed into the ABCDABCD base, and another comes through points A,CA,C and B1B_1 .
3D geometrygeometrycirclesdistancecube