Dawn StrachanCircle Theorems are confusing when you are first introduced to them as there are so many to remember. The theorems themselves are quite easy, sometimes you may need to pick the question apart, but by doing so, hopefully they start to make sense
Dawn StrachanWhen something is proportionate to something it means that they will either increase or decrease at the same rate. One of them is dependent on the other. It may be that as one increases the other decreases. Read my full explanation here
Dawn StrachanSurds are one of those things that are actually easier than they may initially seem. This post breaks down the basics so that once you have established those you can move on to harder aspects