#8 If a centimeter is approximately the distance across your "pinky" fingernail, estimate to the nearest centimeter the following: Length of Thumb, Length from your Wrist to your Elbow, Distance from the top of your knee to the ground.
Now use the metric tape measure to determine the actual lengths of these distances to the nearest centimeter. You will calculate your Percent Error of each estimate using the following formula:
(Actual distance-estimated) /divided by Actual distance X 100 = %Error
How good or bad were your estimates??