One of the angles of a triangle is 1 / 2 radian and the other is 99^ . What is the third angle in radian measure?

Step-by-step solution

aligned & One radian =57^ ( approx. ) & aligned 1 2 radian = 1 2 57^ =28.5^ aligned third angle & =180^ -99^ -28.5^ & =62.5^ aligned aligned aligned aligned aligned array rlrl & 180^ & = radian & & 1^ & = 180^ radian & & 62.5^ & = 180^ 62.5 array