Question

Which set of angle measures could be the
interior angles of a triangle?
1) 90°, 90°, 90°
2) 800, 800, 2000
3) 400, 500, 600
4) 15°, 30°, 1350​

Answer 1

The sum of interior angles of a triangle must be 180 so none of the options

Answer 2

neither of the choices because none of them have the sum of 108 degrees which is the sum of a triangle.