4 years ago

HELP PLEASE I don’t get these at all!

Mathematics

1 answer:

m_a_m_a [10]4 years ago

6 0

Answer:

x = 50

Step-by-step explanation:

The sum of the exterior angles of a polygon = 360°

The given angles are exterior angles of the polygon, thus

2x + 2x + x + 40 + x + 20 = 360, that is

6x + 60 = 360 ( subtract 60 from both sides )

6x = 300 ( divide both sides by 6 )

x = 50

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