An acute angle is less than 90°. It might look small and sharp, like the corner in a slice of pizza. An obtuse angle is between 90° and 180°. It’s wider than a right angle but not a straight ...
Just have a look at the edges of your desk; the hands of a clock or the keys on your computer. There are examples everywhere. Angles are measured using degrees, ranging from 0 all the way to 360 ...