Find the Angles of a Triangle If It Is Known $2 t + 30,3 t - 50 , \text { and } 4 t + 20$

Multiple Choice

Find the angles of a triangle if it is known that the measures of the angles are $2 t + 30,3 t - 50 , \text { and } 4 t + 20$ .

A) $110 ^ { \circ } , 70 ^ { \circ } , 180 ^ { \circ }$
B) $70 ^ { \circ } , 10 ^ { \circ } , 100 ^ { \circ }$
C) $90 ^ { \circ } , 40 ^ { \circ } , 140 ^ { \circ }$
D) $150 ^ { \circ } , 130 ^ { \circ } , 260 ^ { \circ }$
E) $50 ^ { \circ } , 30 ^ { \circ } , 100 ^ { \circ }$