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==Concept #4 SEMICIRCLE==
==Concept #4 SEMICIRCLE==
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[[File:semicircle.gif|200px|right]]
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'''DEFINITION:''' PART OF A CIRCLE BOUNDED BY DIAMETER AND THE PART OF A CIRCUMFERENCE CUT OFF BY THE DIAMETER
==='''Learning objectives'''===
==='''Learning objectives'''===
* The student should be able to understand that a diameter divides the circle into two equal halves and each such half is a semicircle or hemicircle.<br>
* The student should be able to understand that a diameter divides the circle into two equal halves and each such half is a semicircle or hemicircle.<br>