Changes

[[File:semicircle.gif|200px|right]]

[[File:semicircle.gif|200px|right]]

===Learning objectives===

===Learning objectives===

# The students should be able to understand that a diameter divides the circle into two equal halves and each such half is a semicircle or hemicircle.

# The students learn that a diameter divides the circle into two equal halves and each such half is a semicircle or hemicircle.

# The students learn how to form  a semicircle by joining any two points on the circumference through its centre i.e. by drawing a diameter.

# The students learn how to form  a semicircle by joining any two points on the circumference through its centre i.e. by drawing a diameter.

==='''Notes for teachers'''===

==='''Notes for teachers'''===