Jbandzzzz Jbandzzzz
  • 16-12-2020
  • Mathematics
contestada

Pllzzzz helpppp this is and exam!!! In triangle JKL, m

Pllzzzz helpppp this is and exam In triangle JKL m class=

Respuesta :

jimrgrant1 jimrgrant1
  • 16-12-2020

Answer:

x = 15

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180

8x - 7 + x + 7 + 2x + 15 = 180 , that is

11x + 15 = 180 ( subtract 15 from both sides )

11x = 165 ( divide both sides by 11 )

x = 15

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