Maths Circle

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  • Created by: Nathan
  • Created on: 05-03-13 20:38

Arcs and Sectors

length of arc=angle/360xpixd

Area of Sector=angle/360xpixd


Angle/360=length of arc/ circumference=Area of the sector / area of full circle

Semi-circle Angles

Every Angle from the points in a semicircle is 90 degrees.


A Tangent to a circle is a straight line which touches the circle at only one point.

The  angle between a tangent…


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