If the length of a chord of a circle is 16cm and the distance of the chord from the centre is 6cm, find the radius of the circle
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I am assuming you meant that a line whithin the circle dividing the circle into two segments is of length 16cm, that the distance of that line from the centre is 6cm.
First, divide the line into half, which would have the halves be of length 8cm.
Then, by using the Pythagoras theorem:
(8²)+(6²)=(radius)²
100=radius²
Radius=√100
Radius =10cm
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