Use this like a set of flashcards. Look at the triangle on the left, and say which of the 6 triangles it is and then press "the triangle is" button. Take note if you have it correct or incorrect. If incorrect please look at it to reassure yourself of the correct answer. [br][br]1. Acute Scalene[br]2. Acute Isosceles[br]3. Obtuse Scalene[br]4. Obtuse Isosceles[br]5. Right Scalene[br]6. Right Isosceles.[br]