How do we define RADIUS?
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a straight line from the centre to the circumference of a circle or sphere
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Answer :
Merriam-Webster Dictionary defines 'radius' as 'a line segment extending from the center of a circle or sphere to the circumference or bounding surface .'
Some examples of the use of the word 'radius' in a sentence are :
1. The club and the school are within a one-km radius of the hostel.
2. The skating rink has a radius of three metres.
3. There are two hospitals within a five-km radius of our present accommodation.
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