Is it ever possible for a triangle's [b]altitude[/b] to lie [b][color=#9900ff]inside the triangle[/color][/b]?

Is it ever possible for a triangle's [b][color=#9900ff]altitude[/color][/b] to lie ON the triangle itself? [br]That is, can an [b][color=#9900ff]altitude[/color][/b] of a triangle [b]ever be the same as ONE SIDE of the triangle[/b]? [br][br]If so, in what kind of a triangle will this occur?

Is it ever possible for a triangle's [b][color=#9900ff]altitude[/color][/b] to lie[b] entirely OUTSIDE the triangle[/b]?

Given your responses to these question and what you've observed, complete the following sentence definition (without looking it up on another tab in your browser): [br][br][i]An [b][color=#9900ff]altitude[/color][/b] of a triangle is...[/i]