By using the fact that the angle of a circular revolution is 360°, we will see that:
W = 145°.
How to get the unknown angles?
Notice that the angle of a complete revolution is 360°.
Then for the given image, we must have that:
W + W + 70° = 360°.
We can solve that equation for W, the unknown angle.
2*W + 70° = 360°
2*W = 360° - 70° = 290°
W = 290°/2 = 145°
So we conclude that the measure of angle W is 145 degrees.
If you want to learn more about angles.
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