If the three angles of a quadrilateral are 120°,130°,10° then what is the fourth angle? Share with your friends Share 0 Prateek Bhaskar answered this 360?-(120?+130?+10?) =360?-260? =100? -1 View Full Answer Aditya Prasad answered this 360°-(120°+130°+10°) =360°-260° =100° 3 Anurag Singh answered this Holla -1 Shivam answered this The above solution is right! 1 Dyuti Srinivasan answered this 100 -1 Harsh Ambadekar answered this 100 2 Harshavardhani M answered this 100 due to angle sum property -1 Rutvik Joshi answered this The answer is 100. 0 Anantnitya Mourya answered this sum of a quadrilateral is 360 degree 100 degree is the value of fourth angle 0