February 4th 2011
Today we found out that if you have a line on a graph that's equivalent to the radius of a circle that you can find just about anything you want about the line or the circle. It's a really neat idea and incredible that someone put the two together. Learning this made me interested and think about all you can do with math. I think that since people discovered these patterns, equations, theories that their are still many undiscovered. Todays lesson really opened my eyes to that and I realized how much you can do with math.
We learned that to find the distance of a line on a graph all you need is the the two end points. The radius of a circle can be found by finding the coordinates of the original line.
You need the equation below to find the distance between the two end points which make up the line on the graph.
The distance 'd' between the points A = (x1, y1) and B = (x2, y2) is given by the formula:
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