A list of facts about an art work

Achair of height 1 m is placed 1 m in front of a plane mirror. a girl is standing 3 m behind the chairas shown. find the minimum length of the plane mirror in order that she can see the whole imageof the chair. a. 0.50 mb. 0.75 mc. 0.80 md. 1.00 m

An altar was commissioned to depict the accomplishments of the roman emperor augustus (between 13 and 9 bce). what was the purpose of this artwork? a. spiritual b. ritualistic c. commemorative d. preservation

Which printing technique is ink applied to a design cut into an metal plate which is then processed onto paper to transfer the image