Yes.
Measures of 80o 70o and 30o would be one of an infinite amount of possibilities.
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