Question

The curved round boundary of the circle is the ________ of the circle ​

Answer 1

The boundary of the circle is called the circumference (round border) of the circle. A diameter is the line segment that connects two points on the circle and passes through the centre of the circle.

Answer 2

The answer to the given question is:-

• The circumference is the curved round boundary of a circle that is called the circumference of the circle.
• The circumference of a circle is similar to the perimeter of a square or rectangle as both of these are used to find out the measure of the outer boundary of the respective figures.
• The unit that perimeter is calculated in is generally centimetre, metre or kilometer although in some cases other units may also be used.