What is the value of x ??? in trapezoid ABCD?? HELP ASAP

Mathematics

1 answer:

Alexeev081 [22]3 years ago

8 0

It would be 15 because the way you would set it up is equal to 180 because they are opposite and they have to add up to 180 in order for the whole shape to be 360. so 3x+9x=180 and then 12x=180 and divide 180 by 12 which is 15 and you can also plug in 15 to check

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