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Quadrilateral ABCD is a square. if m

Quadrilateral ABCD is a square. if m-example-1
User Amin Ya
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1 Answer

3 votes
The answer is B. 18

Step-by-step explanation:

We know that a square has 4 right angles. A right angle is 90°.

5x° = 90°
5(18)° =90°
90°=90°

Hope this helps some
User Dbaxime
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