\"\"

\

Find \"\" and \"\".

\

\"\" and \"\". \ \

\

The sum of the three angles in triangle is 180 degrees.

\

\"\"

\

Thus, the angle \"\".

\

\"\"

\

Sine rule : \"\".

\

Substitute the values of \"\" and \"\" in above formula. \ \

\

\"\"

\

\"\"

\

\"\"

\

\"\" \ \

\

Thus, the value of \"\" cm.

\

\"\"

\

Angle \"\" and side \"\" cm.