Question

Three angles of a quadrilateral are 60°,110°and 86°. The fourth angle of the quadrilateral

Answer 1

Answer:

74°

Step-by-step explanation:

sum of all angles of quadrilateral = 360°

60 + 110 + 86 + x = 360°

286 + x = 360°

x = 360 - 286

x = 74°