Question

Three angles of a quadrilateral are 80°, 110° and 70°. Find the fourth angle

Answer 1

Answer:

110 +80+70=160

180-160=70ans. OK

Marked me as a brain list

Answer 2

Answer:

Angle of the quadrilateral = 360°

Let fourth side = x

80°+110°+70°+x=360°

260°+x=360°

x=360°-260°

x=100°

So, the fourth side =100°