Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance ...
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one ...
Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...