3 years ago

Find the value of x in the following figure. Show equations and work that lead to your answer.

Mathematics

2 answers:

irinina [24]3 years ago

5 0

Answer:

x = 7

Step-by-step explanation:

DedPeter [7]3 years ago

4 0

We're given a set of exterior angles for a polygon, here a quadrilateral. Exterior angles of any polygon add to 360 degrees.

46 + (12x + 37) + (12x - 2) + (20x - 29) = 360

44 x + 52 = 360

44 x = 308

x = 308/44 = 7

Check: The supplementary angles should add to 360 as well, they're the interior angles of a quadrilateral

(180-46) + (180 - (12(7) + 37)) + (180 - (12(7) - 2)) + (180 - (20(7) - 29)) = 360, good

Answer: 7

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