A total of 133 million square miles of the Earth's surface are covered in water. The ratio of the area covered in water to the a
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Look at the attachment
The line bisects the cord which we have to find
- Length of chord=12cm
- Half of the cord=12/2=6cm
- Radius=10cm
Its a right angle triangle
- using Pythagorean theorem
Distance of the chord from centre is 8cm.
