Question

In an obtuse triangle, what can be said about the remaining two angles that are not obtuse?

Answer 1

Remaining two angles are acute..
In an obtuse angled triangle, One angle is more than 90${}^{\circ }$, making the sum of other two angles less than 90${}^{\circ }$ to sum upto 180${}^{\circ }$, which the makes the remaining two: acute angles.