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Mathematics 9 Online
OpenStudy (anonymous):

Find the value of x in the diagram below.

OpenStudy (anonymous):

OpenStudy (anonymous):

answers: 60, 75, 65, 70

OpenStudy (shamil98):

All exterior angles of any polygons add up to 360. so: 80 + 100 + 110 + x = 360 solve for x!

OpenStudy (anonymous):

hear sum of interior angles is equal to 360 i.e., 80+70+100+(180-x)=360 i.e., x=70

OpenStudy (anonymous):

your doubt is clear..@emmadeezy

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