It is a sphere.
A sphere is three dimensional, a circle is not. So a tennis ball is sphere not a circle You can draw a circle on paper but is is not a sphere.
The earth is approximately a sphere (round like a ball). From any direction, its outline will be a circle.
Firstly you get a coin or a circular object and trace around to get a fine circle and then you neatly outline the lines of thread that makes up the ball.
a tennis ball
A tennis ball.
A tennis ball.
The tennis ball is on the line.
Its a fat foot ball tennis ball my balls bounce the highest
There is no biggest tennis ball. the normal tennis ball has 6.7 cm as diameter.
Tennis ball
tennis ball