Complete a definition for each of the following terms. Are there other terms that need to be defined first? What are they, and how might you define them?
(i) \(parallel\) \( lines\)
If the between two lines is always, then these are called parallel lines.
(ii) \(perpendicular\) \( lines\)
If two linesat athey are called perpendicular lines.
We are required to define and the before defining perpendicular lines.
(iii) \(Line\) \( segment\)
The part of a line joining two givenis called a line segment.
To define a line segment, we must know about and line segment.
(iv) \(radius\) \(of\) \(a\) \(circle\)
It is called the radius when we measure the distance from the centre of the circle toon the circle.
To define the radius of a circle, we must know about and circle.
(v) \(square\)
A square is a Having all sides of equal length and all angles of same measure
To define square, we must know about , side, and angle.