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Write the Algebraic Expression Described 360360 ^ { \circ } If One Angle Measures

Question 135

Multiple Choice

Write the algebraic expression described. Simplify if possible.
-A quadrilateral is a four-sided figure whose angle sum is 360360 ^ { \circ } . If one angle measures xx ^ { \circ } , a second angle measures 2x2 x ^ { \circ } , and a third angle measures 9x9 x ^ { \circ } , express the measure of the fourth angle in terms of xx .


A) (36011x) ( 360 - 11 x ) ^ { \circ }
B) (360+12x) ( 360 + 12 x ) ^ { \circ }
C) (36012x) ( 360 - 12 x ) ^ { \circ }
D) (12x360) ( 12 x - 360 ) ^ { \circ }

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