reyloforlife
reyloforlife reyloforlife
  • 21-09-2019
  • Mathematics
contestada

The following figures are not drawn to scale but
AB and CD (if present in the picture) are straight lines. Find x:

The following figures are not drawn to scale but AB and CD if present in the picture are straight lines Find x class=

Respuesta :

hampher
hampher hampher
  • 21-09-2019

Answer:

angle AOD + 170=180 (sum of angles on a straight line)

angle AOD=180-170

angle AOD=10

Angle BOC(4x)+ 170= 180 (sum of angles on a straight line )

angle BOC(4x) =180-170

4x=10

4x/4=10/4

x=2.5

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