maths
posted by shylaja on .
what will be the 6th angle if the other 5 angles are 60,120,70,130,80?

angles of a 6gon add to (62)*180 = 720
so, the missing angle is 720  (60+120+70+130+80) = 260
Hmmm? That's an unusual angle, indicating a nonconvex polygon. Is there something missing here?