9th geometry circle lesson some information
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CIRCLE - A CIRCLE IS THE COLLECTION OF ALL THE POINTS IN A PLANE WHICH ARE AT CONSTANT DISTANT FROM A FIXED PONIT IN A PLANE.
CHORD - A LINE SEGMENT JOINING ANY TWO POINTS ON A CIRCLE.
DIAMETER- CHORD PASSING THROUGH THE CENTRE OF CIRCLE.
SEMICIRCLE- A DIAMETER DIVIDES A CIRCLE INTO TWO EQUAL PARTS THAT ARE CALLED SEMICIRCLES.
SEGMENT.-ANY CHORD DIVIDES THE CIRCULAR REGION INTO TWO PARTS.
CONCENTRIC CIRCLES -CIRCLES HAVING THE SAME CENTRES.
SECTOR - PART OF PLANE REGION ENCLOSED BY AN ARC OF CIRCLE AND ITS TWO BOUNDING RADIUS.
CIRCLE - A CIRCLE IS THE COLLECTION OF ALL THE POINTS IN A PLANE WHICH ARE AT CONSTANT DISTANT FROM A FIXED PONIT IN A PLANE.
CHORD - A LINE SEGMENT JOINING ANY TWO POINTS ON A CIRCLE.
DIAMETER- CHORD PASSING THROUGH THE CENTRE OF CIRCLE.
SEMICIRCLE- A DIAMETER DIVIDES A CIRCLE INTO TWO EQUAL PARTS THAT ARE CALLED SEMICIRCLES.
SEGMENT.-ANY CHORD DIVIDES THE CIRCULAR REGION INTO TWO PARTS.
CONCENTRIC CIRCLES -CIRCLES HAVING THE SAME CENTRES.
SECTOR - PART OF PLANE REGION ENCLOSED BY AN ARC OF CIRCLE AND ITS TWO BOUNDING RADIUS.
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