An acute angle is less than 90 ... There are 360° in a full turn. The hour hand of a clock make a full 360° turn for each hour of the day. You can use a tool called a protractor to measure ...

Just have a look at the edges of your desk; the hands of a clock or the keys on your ... As well as right angles, there are also acute and obtuse angles. An acute angle is very easy to spot ...