Fill in the blanks (i) An arc is a __________ when its ends are the ends of a diameter.
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=> an arc is a SEMI CIRCULAR when it's ends are the ends of a diameter
______________________________
EXPLANATION:
=> from the figure u can understand ,
=> that the ends of this arc are the ends of the diameter......
______________________________
=> the biggest chord in a circle is diameter
_______________________________
means a diameter can divide a circle into exact 2 parts
=> measure of complete circle is 360°
=> the correct 2 parts of 360°
=> 360° / 2
=> 180°
_______________________________
=> the arc measuring 180° is called as SEMI CIRCULAR arc
=> and thus this arc is SEMI CIRCULAR
_______________________________
=> an arc is a SEMI CIRCULAR when it's ends are the ends of a diameter
______________________________
EXPLANATION:
=> from the figure u can understand ,
=> that the ends of this arc are the ends of the diameter......
______________________________
=> the biggest chord in a circle is diameter
_______________________________
means a diameter can divide a circle into exact 2 parts
=> measure of complete circle is 360°
=> the correct 2 parts of 360°
=> 360° / 2
=> 180°
_______________________________
=> the arc measuring 180° is called as SEMI CIRCULAR arc
=> and thus this arc is SEMI CIRCULAR
_______________________________
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