Find the value of x and of the measure of the angle labeled 3x​

x is 9; angle measure is 27

Step-by-step explanation:

Rules used:

Angles on a straight line add up to 180.

Angles at a point add up to 360.

180 - 27 = 153

That is the magnitude for the angle between the 3x and 27.

180 - (45 + 27) = 108

That is the magnitude of the angle between 27 and 45.

360 - (153 + 27 + 108 + 45)

= 360 - 333

= 27

3x = 27

x = 9

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step-by-step explanation:

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c. (3,2,6) is the answer.