saabrrinnaaa
saabrrinnaaa saabrrinnaaa
  • 26-10-2018
  • Mathematics
contestada

please help me w/ this geometry question.

image attached.

please help me w this geometry question image attached class=

Respuesta :

MsLeo MsLeo
  • 26-10-2018
angle 3 = angle 7 [alternate angles]
=> 4x+1 = 2x + 21
=> 4x-2x = 21-1
=> 2x = 20
=> x = 20/2
=> x = 10
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