A triangle has sides A, B, and C. The angle between sides A and B is $(3pi)/4$ . If side C has a length of $2$ and the angle between sides B and C is $pi/12$ , what is the length of side A?

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Answer 1 · 2016-02-21T12:09:25

side $a=0.732051" "$ units

From the given it is stated that :
Angle $C=(3pi)/4$
Angle $A=pi/12$
side $c=2$

Using Sine Law

$a/sin A=c/sin C$

$a=c*sin A/sin C$

$a=2*sin (pi/12)/sin ((3pi)/4)$

side $a=0.732051" "$ units

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A triangle has sides A, B, and C. The angle between sides A and B is (3pi)/4(3pi)/4. If side C has a length of 2 2 and the angle between sides B and C is pi/12pi/12, what is the length of side A?