Question

Who invented slide rule? On which principle does it work?​

Answer 1

Explanation:

if all four vertices of a quadrilateral lie on a circle .then such a quadrilateral is called cyclic quadrilateral

Answer 2

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The Reverend William Oughtred and others developed the slide rule in the 17th century based on the emerging work on logarithms by John Napier. Before the advent of the electronic calculator, it was the most commonly used calculation tool in science and engineering.