marvlewoman marvlewoman
  • 25-02-2021
  • Mathematics
contestada

find value of x and show how please

find value of x and show how please class=

Respuesta :

ronniebiran123 ronniebiran123
  • 25-02-2021

Answer:

x=-11

Step-by-step explanation:

Sum of the interior angles of a triangle is 180

(x+51)+60+80=180

(x+51)+140=180

x+51=40

x=-11

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