Three angles of a quadrilateral are 70°, 80°, and 100°. What is the fourth angle?
Note
A quadrilateral has a total angle sum of 360°. Add the given angles to get 250°, then subtract from 360°: the fourth angle is 110°.
Three angles of a quadrilateral are 70°, 80°, and 100°. What is the fourth angle?
A quadrilateral has a total angle sum of 360°. Add the given angles to get 250°, then subtract from 360°: the fourth angle is 110°.