Triangle:
A triangle is a polygon with three vertices, and three sides or edges that are line segments. A triangle with vertices A, B, and C is denoted as ABC
Circle:
A circle is defined as a collection of points on a plane that are at an equal distance from a
fixed point on the plane. The fixed point is called the centre of the circle.
Read more at https://learnnext.com/lesson/CBSE-VII-Maths-Circles.htm
