Three angles of a quadrilateral are 45°, 135°, and 100°. What is the fourth angle?
Note
A quadrilateral has a total angle sum of 360°. Add the given angles to get 280°, then subtract from 360°: the fourth angle is 80°.
Three angles of a quadrilateral are 45°, 135°, and 100°. What is the fourth angle?
A quadrilateral has a total angle sum of 360°. Add the given angles to get 280°, then subtract from 360°: the fourth angle is 80°.