Circles

This week, we started our discussion on basic facts about circle and its properties. Below is the list of terminologies we defined:
    1) Circle
    2) Radius
    3) Diameter
    4) Chord
    5) Tangent
    6) Secant
    7) Circumference
    8) Area
    9) Arc Length
    10) Sector
    11) Arc Measure
    12) Minor Arc
    13) Major Arc
    14) Semi-circle
    15) Pi