Which sentence correctly uses a hyphen? leonardo davinci was a world-famous polymath, who is a person with many different talents. in addition to being an accomplished painter, he was also an i- nventor, architect, and mathematician. davinci was quite-obsessed with flying and even though his man powered flying machine never went airborne, his hang glider did. leonardo left behind over 6,000 journal-pages of ideas and inventions, but you have to hold them up to a mirror to read them.