A chord separates the circumference of a circle into two sections - the major ... circle = \(\pi d\) and the diameter = \(2 \times \text{radius}\). The arc length is \(\frac{1}{ ...

The angle between a tangent and a radius is 90 ... A straight line joining two points on a circle is known as a chord. The angle between a tangent and a chord is equal to the angle in the ...