Yes, they exist.
Yes, an acute triangle can also be scalene.
In an acute triangle, all three angles are acute.
An acute scalene triangle has none. An acute isosceles triangle has one and an [acute] equilateral has three.
A scalene triangle or an equilateral triangle
It is an obtuse scalene triangle
Yes, an acute triangle can also be scalene.
A scalene triangle is a triangle that has three unequal sides.
Yes
No.
It is an acute angled scalene triangle.
In an acute triangle, all three angles are acute.
No triangle is a quadrilateral.
NO
Yes to both
An acute scalene triangle has none. An acute isosceles triangle has one and an [acute] equilateral has three.
A scalene triangle or an equilateral triangle
What is a 79 degree of a third angle of a triangle