Videos Test Yourself Jokes MathFacts Math Diagnostics Math Tricks Daily PhysEd
Class Photos Worksheets Math Genius More Resources Teacher Timesavers Study Guides
Lines
Thanks Edge
lines
In diagram 1, nine straight lines form twenty squares
In diagram 2, ten straight lines form seventeen squares.

Question: How many straight lines must be drawn to make exactly one hundred squares?

See answer




Math Puzzles