Muwafaq1133 Muwafaq1133
  • 02-10-2020
  • Mathematics
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Need help with this questions please.

Need help with this questions please class=

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gheslinemedina0321
gheslinemedina0321 gheslinemedina0321
  • 02-10-2020

Answer: x=8

Step-by-step explanation:

15*8 = 120 + 20 = 140

140+40 = 180 a perfect line

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ZJSG09112007
ZJSG09112007 ZJSG09112007
  • 02-10-2020

Answer:

Below

Step-by-step explanation:

Angle on a straight line =180

[tex]40\° + (15x +20)\°=180\°\\\\40 \°+(15(8)+20)\° =180\°\\\\40\°+(120+20)\°=180\°\\\\40\°+140\°=180\°\\\\180\°=180\°[/tex]

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