Question

X=

a) 115.5
b) 137
c) 180

Answer 1

180*

Explanation:

Hope it helps.

Answer 2

`137 = (1)/(2) (\angle x + 94)`


`137 = (1)/(2) \angle x + 47`


`(1)/(2) \angle x = 137 - 47`


`(1)/(2) \angle x = 90`


`\angle x = 90 * 2`


`\angle x = 180 \textdegree`