Parts of a Circle

A circle is a closed curve that is made of points that are the same distance from the center.

radius of a circle is a line segment that connects the center to a point on the circle.

chord is a line segment that connects two points on the circle.

diameter of a circle is a line segment that passes through the centre of the circle, connecting two points on the circle.

An arc is a curved part of the circle.

The circumference of a circle is the distance around the outside of the circle.

 

Center       Radius       Chord

Diameter       Arc       Circumference





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Help

The correct answer is

Remember :

The smallest number is the one that comes first while counting.

Solution :

To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.

21,27,23

21 is the smallest number.