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 ...

Hmm pizza! Oh sorry, focus! So I think today, we are looking at angles. Great! You’re cutting that pizza at right angle. That means the angle is 90 degrees. Nice big piece for square. So what next?

Angle of Spatula(θ Sp): Immerse a plane in the powder pile, pull up the plane vertically. The angle of spatula is the average between the angles formed of powder pile on the plane before and after ...