$\begin{array}{l} = {130^ \circ }\\\hat C = \frac{{}}{2} = \frac{{{{130}^ \circ }}}{2} = {65^ \circ }\\\hat A = {180^ \circ } - ({65^ \circ } + {40^ \circ }) = {75^ \circ }\\ = 2({75^ \circ }) = {150^ \circ }\end{array}$