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Aleksandr-060686 [28]
4 years ago
6

Solve for the value of k. (k+8) 400​

Mathematics
1 answer:
pashok25 [27]4 years ago
3 0

Answer:

value of k = 6

Step-by-step explanation:

sum of all angles forming a straight line = 180°

so,

  • 7k + 8 + 90 + 40 = 180
  • 7k + 138 = 180
  • 7k = 180 - 138
  • 7k = 42
  • k = 42/7
  • k = 6

hence the value of k = 6

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