zngreen
zngreen zngreen
  • 23-04-2020
  • Mathematics
contestada

find the value of X in the diagram

find the value of X in the diagram class=

Respuesta :

surjithayer10 surjithayer10
  • 23-04-2020

Answer:

Step-by-step explanation:

no. of sides n=5

sum of interior angles=(n-2)×180=(5-2)×180=3×180=540

72+2x+99+89+3x=540

5x+  260=540

5x=540-260

5x=280

x=56°

Answer Link
agwolfiewolf
agwolfiewolf agwolfiewolf
  • 23-04-2020

Answer:

x=20

Step-by-step explanation:

it all adds up to 360°

72+89+99+5x=360

360-260=5x

5x=100

x=20

Answer Link

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