Which answer matches this clue: the artistic technique of creating the illusion of depth on a flat surface, perfected by Brunelleschi and Alberti?

• A Chiaroscuro
• B Linear perspective ✓
• C Sfumato
• D Foreshortening

Filippo Brunelleschi demonstrated linear perspective around 1415 using a painted panel of the Florence Baptistery viewed through a peephole.