emilymt06
emilymt06 emilymt06
  • 19-10-2021
  • Mathematics
contestada

please help me with this assignment

please help me with this assignment class=

Respuesta :

prasamsharayamajhi
prasamsharayamajhi prasamsharayamajhi
  • 19-10-2021

Answer:

let the unknown angle be x

we know. sum of angles of a triangle is 180°

so,

130+20+x=180

150+x=180

x=180-150

x=30°

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