Centre of Circle. o. This is the ARC. x. 2x. The Angle x subtended at the centre of a circle by an arc is twice the size of the angle on the circumference subtended by the same arc. Centre of Circle. This is the ARC. Case 2. x. o. 2x.
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This is the ARC
The Angle x subtended at the centre of a circle by an arc is twice the size of the angle on the circumference subtended by the same arc.
This is the ARC
Angle subtended at the Centre is twice the angle at the circumference
This is the Arc
Angles Subtended in the same segment
of a circle are equal
BCD would be 1800-600=1200
Points which lie on the circumference of the
same circle are called cyclic (or concyclic)
points. A cyclic quadrilateral is a quadrilateral
with all its four corners (vertices) on the
circumference of the same circle.
OBT and OAT
The Shaded Segment BEDis called the alternate segment to the angle CBD
The angle between a tangent to a circle and a chord drawn through the point
of contact is equal to any angle subtended by the chord at the circumference in
the alternate segment
The angle in a semi circle is 90 degrees!
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