Back to Discover
🔢

Three utilities problem

math Maturity 11-13

Can you draw lines without them crossing? Try to connect three houses to three things. You can use water and gas. You can also use light. But the lines will hit each other. It is a hard puzzle! Can you find a way?

45 words
🖼️ Images & Media (3)
File:3 utilities problem plane.svg
3 utilities problem plane.svg
File:3_utilities_problem_proof.svg
3_utilities_problem_proof.svg
File:K33 one crossing.svg
K33 one crossing.svg
Up Next
🔢
Crossing number (graph theory)
Math
More to explore