Yesterday I wrote this post looking at a nice puzzle I’d seen and how I solved it.
The puzzle again:
Lovely, isn’t It?
After I published my previous post I wondered if I may have been better using a vector approach or a coordinate geometry approach. So I gave them a try.
I started by sketching the figure against an axis.
I place the origin at the centre of the circle, worked out the equation if the circle and the right leg of the triangle and solved simultaneously for x. Giving x =1 and x=1/3. These x values correspond to half the base of each triangle,…
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