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Step-by-step explanation:</h3>
Quadrilateral are four sided shapes. e.g
There are 2 sides in a quadrilateral and each of them are 180° shown above. Angles in a quadrilateral add up to 360°.
For example: The example is shown in the picture above.
Answer:
Why would you ask this in the math area?
Answer:
6 + 2x
Step-by-step explanation: