Random triangles are drawn with two sides highlighted, a red dashed line for the numerator and a solid green line for the denominator relative to the angle indicated with the green arc. Click the button for the case shown to get the next question. If you make a mistake the correct choice will be highlighted. You need to get 20 correct choices before time runs out.[br]A popup will show your results when either time runs out or you get enough correct answers. Select "OK" to try again.