A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...

KAYLA: It’s skatepark building day in the virtual city.Woohoo! ZACH: Did you see my 180?Sweet, dude!Okay, let’s do it. ADA: Building the skatepark is going to require lots of angles.An angle is a ...

ViHart's latest video reminds us once again of the value of idle hands. In it, she demonstrates how easily our humble appendages can make us look like fiddly geniuses – or at least like common math ...