She was considered the mother of Aeneas who helped found Rome:

Which of the following is a tryptych?

a. the Très Riches Heures b. The Martyrdom of Saint Apollonia c. Jan van Eyck's Studio d. the Mérode Altarpiece

The Roman discovery of the correct mathematical ratio of 1:2 for an aspect of building allowed them to build what construction safely?

A. the keystone B. the arch C. the ashlar D. the voussoir