The sides BC, CA and AB of a ABC, are produced in order, forming exterior angles ACD, BAE and CBF. Show that ACD + BAE + CBF = 360°.

Mixed-up sentence exercise

  
Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.