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  • 22-08-2019
  • Mathematics
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Determine the value of 2x

Determine the value of 2x class=

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marcthemathtutor
marcthemathtutor marcthemathtutor
  • 22-08-2019

Answer:

60°

Step-by-step explanation:

Assuming AB is a straight line

∠ACD + ∠DCE + ∠ECB = 180°  (property of adjacent angles on a straight line)

hence

x + 3x + 2x = 180°

6x = 180°

x = 180/6 = 30°

2x = 30° x 2 = 60°

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