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2015-04-01T15:57:20+05:30

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Let the unknown angle be x
100+110+68+x=360
278+x=360
x=360-278
x=82 degree
1 5 1
its not 360/278......its 360-278
thanks
sry
2015-04-01T15:57:30+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
In a quadrilateral the sum of all the angles is 360
therefore 100+110+68+x=360
278+x=360
x=360-278
x=82
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