Respuesta :

SDCInfinity

Answer:

x = 35

Step-by-step explanation:

The sum of the angles of a triangle is 180°.

[tex]x+55+90=180\\x+145=180\\x=35[/tex]

beckerjr

Answer:

[tex]{ \boxed{ \mathfrak{ \: answer : \: { \rm{35\degree}}}}}[/tex]

Step-by-step explanation:

[tex]{ \rm{55 \degree + 90\degree + x = 180\degree}} \\ { \tt{ \{angle \: sum \: of \: a \: triangle \}}} \\ { \rm{145\degree + x = 180\degree}} \\ { \rm{x = 35\degree}}[/tex]

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