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How many points are needed on the circumference to define a circle by computer?

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in Engineering Metrology by (829k points)
How many points are needed on the circumference to define a circle by computer?

(a) One

(b) Two

(c) Three

(d) Four

This question was addressed to me during an internship interview.

I want to ask this question from Computers in Metrology topic in section Measuring Machines & Total Quality Management of Engineering Metrology

1 Answer

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Best answer
Correct choice is (c) Three

Explanation: If 3 points on the circumference of a circle are completely defined then a computer can easily define the circle. Manually this work is very painstaking and very time consuming too. Also in gear measuring machine, the use of computer give final results in no time and very accurately.

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