Respuesta :

1Angel2Got3Brains
The unknown angle is 32°

because a triangle = 180°
113+15= 148
180-148=32
wegnerkolmp2741o

Answer:

x = 52

Step-by-step explanation:

The three angles of a triangle add to 180 degrees

x+ 113+15 = 180

Combine like terms

x+128 = 180

Subtract 128 from each side

x+128-128 = 180-128

x = 52