itzally23
itzally23 itzally23
  • 24-01-2020
  • Mathematics
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Please help me !!! Brainliest

Please help me Brainliest class=

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TheBreeze
TheBreeze TheBreeze
  • 24-01-2020
In a trapezoid, the angles are supplementary. Because the base lines are parallel, we know that the angles on the sides are same-side angles, which are supplementary.

Knowing this:
2x + (x - 12) = 180
(2x and (x - 12) are same side angles)
3x - 12 = 180
3x = 192
x = 64

Do the same for the other pair of same-side angles:
3y + (y + 20) = 180
4y + 20 = 180
4y = 160
y = 40

x = 64 and y = 40

Let me know if you need me to explain anything I did here :))
-T.B.
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