youngstoney1582
youngstoney1582 youngstoney1582
  • 27-07-2017
  • Mathematics
contestada

what is the value of x in trapezoid ABCD

what is the value of x in trapezoid ABCD class=

Respuesta :

lidiapltotklii lidiapltotklii
  • 27-07-2017
So the trapezoid has 2 parallel sides making segments AD and BC  transversals

Therefore making angle c and angle b add up to 180

(180-3x) + 3x + 180-9x +9x

180 +12x = 360

180= 12x
x= 15

Answer Link
Nefii
Nefii Nefii
  • 29-11-2018

Answer:

x = 15

Step-by-step explanation:

9x + 3x = 180

12x = 180

x = 15

Answer Link

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