A scalene triangle is one where each side is a different length. Acute means that the largest interior angle of the triancle is less than 90 degrees. read more
An acute-angled or acute scalene triangle is the one that has all interior angles measured less than 90 degrees. Right, rectangle, or right-angled triangles must have 1 interior of ninety degrees, while the side opposite to this angle is called hypotenuse, and it’s the longest one of such figures. read more