There are a number of basic rules to learn and remember when we are dealing with straight lines which intersect and lines which cross parallel lines. If you become familiar with these rules, a lot of the time it will render the need to measure or otherwise evaluate the value of an angle because you can simply then do it by deduction.


The four sets of rules concerning Angles:



Should be memorised, as they will become across many times your study of geometry and also on there and conform a diverse set of questions, some of which you will see in the question section.


>> Questions <<