chickennoodlesdaught
chickennoodlesdaught chickennoodlesdaught
  • 16-01-2021
  • Mathematics
contestada

both are x=
27. x=
28.x=

both are x 27 x 28x class=

Respuesta :

mumsy
mumsy mumsy
  • 16-01-2021

Answer:

Step-by-step explanation:

27. the sum of 2 complementary angles=90

8x-17+5x-10=90

13x=90+27

13x=117            x=9

28. the sum of supplementary angles=180

17x-12+3x-48=180

20x=180+60

20x=240

x=120

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