Question

properties of triangle formulas
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Answer 1

Answer:

The angles of the triangle are ABC and are denoted by A, B, C and corresponding opposite sides by a, b, c.

s denote's the semi-perimeter of the triangle ABC, ∆ its area and R is the radius of the circle circumscribing the triangle ABC i.e., R is the circum-radius.

asinA = bsinB = csinC = 2R.