Which answer matches this clue: the painter and mathematician whose Flagellation of Christ is celebrated for its rigorous perspective?

• A Paolo Uccello
• B Piero della Francesca ✓
• C Fra Angelico
• D Andrea Mantegna

Piero della Francesca wrote treatises on geometry and arithmetic; his serene, geometrically precise figures were rediscovered by modernists in the 20th century.