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PLEASE HELP ME WITH THIS PROBLEM!!!!!!!!!!

The following figures are not drawn to scale but AB and CD are straight lines. Find x.

PLEASE HELP ME WITH THIS PROBLEM The following figures are not drawn to scale but AB and CD are straight lines Find x class=

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Wiiisdom

Answer: x = 30

Step-by-step explanation:

Since AB and CD are straight lines, vertical angles formed by them are congruent. Angle DOB is equal to angle AOC which is equal to 2x. Since you know that a straight angle is equal to 180 degrees, you can say :

2x + 90 + x = 180

3x + 90 = 180

3x = 90

x=30

Hope this helped :)

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