3 years ago

Math expert in polygon angle

Mathematics

1 answer:

soldier1979 [14.2K]3 years ago

3 0

Answer:

50°

Step-by-step explanation:

The internal angles on a quadrilateral sum to 360.

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

7x+10=360

7x=350

x=50

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Math expert in polygon angle​

Math expert in polygon angle