When an angle of the scalene triangle is less than 90 but the other two are always more.
Only when it has 3 unequal acute angles and 3 unequal sides that it is then a scalene triangle.
Yes
It doesn't matter if a triangle is isosceles, scalene, obtuse, acute... There are always 3 angles in a triangle (which add up to 180).
NO
No, not always
When an angle of the scalene triangle is less than 90 but the other two are always more.
Yes, an acute triangle can also be scalene.
A scalene triangle is a triangle that has three unequal sides.
A scalene triangle can have an obtuse angle and two different acute angles or three different acute angles but all angles in a triangle must add up to 180 degrees.
Only when it has 3 unequal acute angles and 3 unequal sides that it is then a scalene triangle.
No.
Yes
It is an acute angled scalene triangle.
It doesn't matter if a triangle is isosceles, scalene, obtuse, acute... There are always 3 angles in a triangle (which add up to 180).
In an acute triangle, all three angles are acute.
No triangle is a quadrilateral.