gena06 gena06
  • 04-06-2018
  • Mathematics
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Find the values of each angle in the quadrilateral

Find the values of each angle in the quadrilateral class=
Find the values of each angle in the quadrilateral class=

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sqdancefan
sqdancefan sqdancefan
  • 04-06-2018
a) Angles 1 and 2 of this isosceles trapezoid are equal and supplementary to angles D and 3, which are also equal.
  ∠1 = ∠2 = 180° -55° = 125°
  ∠3 = ∠D = 55°


b) Top and bottom angles are equal.
  (4x+15) = (5x-13)
  28 = x . . . . . add 13-4x
The value of x is 28.
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