What is the Formula for Circumradius ?

Solution  :

Circumradius Formula (R) = \(abc\over 4\Delta\)circumradius

where R = radius of circumcircle described about a given triangle with sides a, b, c.

\(\Delta\) = \(\sqrt{s(s – a)(s – b)(s – c)}\)

and s = \(a + b + c\over 2\)

where a, b and c are the sides of triangle.

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