Sometimes we need to know how to calculate values for specific sections of a circle. These can include arc lengths, the area and perimeter of sectors and the area of segments. Loci and constructions – ...
An animated guide demonstrating the relationship between distance, speed and time. Distance, speed and time can be arranged in a triangle which helps visualise how to calculate one based on the others ...
It’s a bit mind-bending to realise that everything we know about the scale of the universe comes from people stuck on a tiny rock, peering through glass at dots of light. We can’t exactly pull out a ...
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