How can tartar and plaque be removed from teeth without grinding? is there any paste, etc. for it?
The girders of a suspension bridge form an arc. The definition of an arc is a curve or bowed shape, like a part of a circle. An example of an arc is a rainbow. To arc is defined as to make a curved shape or move in a curved path.
Chord Definition Of Chord. Chord is a line segment on the interior of a circle with both its endpoints lying on the circle. Example of Chord. In the circle shown, PQ and AB are chords with their endpoints P, Q and A, B respectively lying on the circle. Video Examples: Midpoint of a Chord