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KS4 Mathematics

KS4 Mathematics. S5 Circles. S5 Circles. Contents. A. S5.2 Angles in a circle. A. S5.1 Naming circle parts. S5.3 Tangents and chords. A. S5.4 Circumference and arc length. A. S5.5 Areas of circles and sectors. A. Naming the parts of a circle.

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KS4 Mathematics

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  1. KS4 Mathematics S5 Circles

  2. S5 Circles Contents • A S5.2 Angles in a circle • A S5.1 Naming circle parts S5.3 Tangents and chords • A S5.4 Circumference and arc length • A S5.5 Areas of circles and sectors • A

  3. Naming the parts of a circle A circle is a set of points equidistant from its centre. The distance around the outside of a circle is called the circumference. diameter The radius is the distance from the centre of the circle to the circumference. radius centre The diameter is the distance across the width of the circle through the centre. circumference

  4. Arcs and sectors arc An arc is a part of the circumference. sector a sector is formed. When an arc is bounded by two radii

  5. A line moving through a circle

  6. Naming the parts of a circle

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