Google’s new logo, which you can see on the top right, contains not only the famous ?r2 formula, but five other uses of ?: measuring the volume of a sphere (V = 4?3 ?r3), computing the circumference of a circle (C = 2?r), measuring the volume of a cylinder (V = ?r2h), Archimedes’ calculation of Pi (223/71 < ? < 22/7), and even the …
Aaron’s Guide to everything on the net
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