Question

What is the interior of a circle?

Options

• The boundary line of the circle

• The region inside the boundary, including the centre

• The region outside the boundary of the circle

• Only the centre point of the circle

Answer 1

The region inside the boundary, including the centre

Explanation:

The interior of a circle is defined as the entire region that lies inside the boundary of the circle, which includes all points within the circle and the centre point itself.