Plan problems

Maths

In order to find the locus of points that are equidistant between two points you have to draw ___________________.

In order to find the locus of points that are equidistant between two line segments you have to draw ___________________.

In order to find the locus of points that are equidistant from a single central point you have to draw ___________________.

A plan of Cala's garden is shown below. Which of these does Cala have to draw to find the region closer to AB than AC?

A plan of Cala's garden is shown below. Which of these does Cala have to draw to find the region closer to C that D