Australian Idol Winner: Damien Leith Vs Jessica Mauboy. November 27, 2006. Tonight the finale of the fourth season of Australian Idol was held. For the last few months, contestants from all over Australia have been performing against one another to win Australiaâs vote in the hope that they will be crowned the winner of Australian Idol 2006.
Triangles can be classified according to the relative lengths of their sides: 1  In an equilateral triangle, all sides are the same length. 2  In an isosceles triangle, at least two sides are equal in length. 3  In a scalene triangle, all sides and internal angles are different from one another.
The sum of the measures of the angles is always 180Â° in a triangle. We have different types of triangles. A triangle is classified by its angles and by the number of congruent sides. A triangle that has three acute angels is called an acute triangle.