Triangle has three sides. One can consider [color=#ff0000]any side as base[/color] of triangle.[br][b][color=#ff0000]Perpendicular segment drawn to base from it's opposite vertex is the height[/color][/b] of triangle.[br][br][size=150][size=200]Area of triangle =[math]\frac{1}{2}\times Base\times Height[/math][/size][/size]