A triangle has sides A, B, and C. The angle between sides A and B is $pi/4$ . If side C has a length of $3$ and the angle between sides B and C is $pi/12$ , what is the length of side A?

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Answer 1 · 2018-05-24T02:58:44

Length of side $color(brown)(c = 1.1$

Given : $hat A = pi/12, hat C = pi/4, c = 3, a = ?$

As per Law of Sines,

$a / sin A = c / sin C$

$a = (3 * sin (pi/12)) / sin (pi/4)$

Length of side $color(brown)(c = 1.1$

A triangle has sides A, B, and C. The angle between sides A and B is pi/4pi/4. If side C has a length of 3 3 and the angle between sides B and C is pi/12pi/12, what is the length of side A?