Question

tha three angle of a quarulateral are 65' 55' and130' find its fourth akngle

Answer 1

hii frnd the ans is 360_(65+55+130)=360-250=110

Answer 2

let take the fourth angle of a qauadilateral is x


than ,


angel A +B+C+D=360


65+55+130+x=360

120+130+x=360
250 + x =360
x=360-250
x=110


so the 4th angel is 110° Ans