Question

What is the part of the plane enclosed by a closed figure known as?

Options

• The interior of the figure

• The exterior of the figure

• The boundary of the figure

• The region of the figure

Answer 1

The interior of the figure

Explanation:

A closed figure is a shape whose boundary lines join to completely enclose a part of the plane.

The part of the plane that lies inside this boundary is called the interior of the figure.