Mathematics
In the given figure, AB is the largest chord of the circle, AB = 18 cm and the length of the chord CD is half of length of chord AB, then :
OP = 18 cm and CD = 18 cm
OP = 9 cm and CD = 18 cm
OP = 18 cm and CD = 9 cm
OP = 9 cm and CD = 9 cm
Circles
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Answer
As we know that
the largest chord of a circle is its diameter.
Diameter, AB = 20 cm
Chord CD = half of length of chord AB =
= 9 cm.
OP is radius of the circle. So, radius is half of the diameter.
OP = = 9 cm
∴ OP = 9 cm and CD = 9 cm
Hence, option 4 is the correct option.
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nothing can be said