# A circle is a two-dimensional figure formed by all the points which are the same distance from a center point.

# The word circle originates from the Greek word κρίκος (krikos), meaning “hoop” or “ring”.

# Humans have long ago recognized circles whereas Natural circles include the shapes of the Sun and Moon, the human eye, tree cross-sections, some flowers, some shells etc.

# The longest distance between two points on a circle is the diameter- line segment running through the center.

# Do you Know ?

# A circle is the shape with the shortest perimeter enclosing an area. The circle is the most symmetric shape as every line through the center is a line of reflection symmetry.

# Archimedes

# Archimedes proved that the area enclosed within a circle is the same as the area of a triangle with a base the length of the circle’s circumference and height equal to the circle’s radius.

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