Question

hich figures can be precisely defined by using only undefined terms? Select three options.

angle
arc
circle
line segment
parallel lines

Answer 1

The three figures that can be precisely defined using only undefined terms are:

1. **Angle** - Defined as the figure formed by two rays with a common endpoint.
2. **Circle** - Defined as the set of all points in a plane that are a fixed distance (the radius) from a given point (the center).
3. **Line segment** - Defined as a part of a line that is bounded by two distinct endpoints.

Undefined terms in geometry typically include points, lines, and planes, which can be used to define these figures.