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Math expert in polygon angle​
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5 votes
Math expert in polygon angle​

Math expert in polygon angle​-example-1
User Dogs
by
5.6k points

1 Answer

4 votes

Answer:

50°

Explanation:

The internal angles on a quadrilateral sum to 360.

So x+10+2x+x+3x=360

7x+10=360

7x=350

x=50

User Zbrox
by
5.9k points
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