Click to see a step-by-step slideshow. STEP 1: This is what to do when you know the length of 1 side and the 2 angles at each end of it: here 8 cm, 40° and 50°. Draw an 8 cm line using a pencil and ...

Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...