Circle

For students of class 8A, you can download file circle1, circle2, circle3, and get prepare for the mid term test this month, March 16, 2009. the material of the test are elements of circle, area and circumference of a circle, central angle and circumference angle, central angle-arcs-sector of a circle, tangents. the topics that not icluded in the test are angles between two chords, chords quadrilateral (so you don't have to learn from circle2), outer and inner circle. wish you the best...