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How do I find the value of X?

How do I find the value of X?-example-1
User Ben Barden
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Answer:

Since the shape is a four sided shape the angles must add up to 360. Angle A and D are both 90, and C is 108. If you add up 90 + 90 + 108 and subtract that total from 360 you get 72.

Explanation:


User Vikas Bhardwaj
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