This is an investigation of the Trigonometry ratios.[br]The diagrams shows a right triangle.[br]It is set from the point of view of the angle a as the sides are named:[br][b]opposite [br]adjacent[br]hypothenuse[/b][br][br]Moving the [b]slider[/b] called [b]r[/b] you are generating similar triangles (same shape, but not necessarily same size)[br][br]Move the slider to create [b]three similar triangles [/b]and record the length of the three sides and its ratios.[br][br]What do you noticed?