Find the Angles of a Triangle If It Is Known $x , x + 30 , \text { and } x + 60$

Find the angles of a triangle if it is known that the measures of the angles are $x , x + 30 , \text { and } x + 60$ .

A) $45 ^ { \circ } , 75 ^ { \circ } , 105 ^ { \circ }$
B) $90 ^ { \circ } , 120 ^ { \circ } , 150 ^ { \circ }$
C) $60 ^ { \circ } , 90 ^ { \circ } , 120 ^ { \circ }$
D) $30 ^ { \circ } , 90 ^ { \circ } , 105 ^ { \circ }$
E) $30 ^ { \circ } , 60 ^ { \circ } , 90 ^ { \circ }$