Angle subtended by a chord CD on the centre of a circle is 180 degree. If radius of this circle is 14 cm, then what will be the length of chord CD?
Answer & explanation
Correct answer: option 4
Concept used
Diameter is the largest chord of any circle.
Diameter = 2 x radius
Calculations
D = 2 x r
D = 2 x 14 = 28 cm
Therefore, the length of chord CD which is diameter is 28 cm.