Angle measurements are not uniform, because viewing angles are measured as the contrast between black and white, and what is considered an acceptable contrast ratio differs among vendors.
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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.
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 ...