In two-dimensional art, this is the shape of the area in which an artist creates their work. what is this?

This medium typically is made of graphite, a crystalline form of carbon:

Which of the following describes the multimedia era? a. an era in which artists created works using paint software such as photoshop, without actually programming. b. an era of interactive technology where 3d computer graphics were used to create a virtual environment. c. an era in which most of the computer art work centered around computer programming. this is for plato .

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