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Circles - Coggle Diagram
Circles
Theorems
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“Measure of angles subtended to any point on the circumference of the circle from the same arc is equal to half of the angle subtended at the center by the same arc.”
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Parts of the circle
Diameter
Diameter is defined as the line passing through the center of a circle having two extremes on the circumference of a circle. The Diameter of a circle divided the circle into two equal parts known as semi-circle. ... It divides the diameter into two equal parts, each of which is a radius of the circle.
radius
The length of the distance from the centre of the circle to any point on the circle is called the radius.
Arc
The arc of a circle is a portion of the circumference of a circle. Or. A piece of a circle between two points is also called an arc. Two points lying on the circle define two arcs: The shorter one is called a minor arc and the longer one is called a major arc.
Chord
A chord is a line passing from one point to another on the circumference of a circle. Diameter is a chord that passes through the centre.
Segment
A segment of a circle is defined as a region bounded by the chord and the corresponding arc lying between the endpoints of the chord. ... We can also define it as the parts divided by the circle's arc and connected through the chord by the endpoints of the chord.
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Cyclic quadrilateral
A cyclic quadrilateral or inscribed quadrilateral is a quadrilateral whose vertices all lie on a single circle. This circle is called the circumcircle or circumscribed circle, and the vertices are said to be concyclic