Respuesta :

wegnerkolmp2741o

Answer:

x = 29

Step-by-step explanation:

The three angles of a triangle add to 180

x+90+61 = 180

Combine like terms

x+151 = 180

Subtract 151 from each side

x+151-151 = 180-151

x = 29

Alliskia
The answer is B.29.