Posted by Alexis Thompson on Thursday, March 14, 2013 at 6:01pm.
what if you divide circumference by diameter and don't get pi ? What does that mean about the circle (because today i got numbers that were exactly over pi and some were even under)?
Happy π day to all mathematicians - Reiny, Thursday, March 14, 2013 at 6:08pm
Today, March 14, at 1:59 was a very special time
Math - Ms. Sue, Thursday, March 14, 2013 at 6:12pm
A mathematician, a physicist, and an engineer are all given identical
rubber balls and told to find the volume. They are given anything they
want to measure it, and have all the time they need.
pulls out a measuring tape and records the circumference. He then
divides by two times pi to get the radius, cubes that, multiplies by pi
again, and then multiplies by four-thirds and thereby calculates the
The physicist gets a bucket of water, places 1.00000 gallons of
water in the bucket, drops in the ball, and measures the displacement
to six significant figures.
And the engineer? He writes down the serial
number of the ball, and looks it up.
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