Triangle Measurements

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course Phy 231

Triangle activity) I got the following measurements for my triangle. They have the format (short side, long side, hypotenuse): (6.25, 8.05, 10.2)cm_f, (9.7, 12.5, 15.7)cm_s, (15.05, 19.25, 24.45)cm_d, (23.2, 29.9, 37.7)cm_t.When I compared the length of the hypotenuse by calculation v.s. by measurement, all percentages of error were under 0.004, or 0.4 percent, with 3 out of four under 0.0001, or 0.1 percent. This level of accuracy surprised me. Check it out if you want.

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Very good.

The level of accuracy shouldn't surprise you. If you measure 20 cm accurate to the millimeter, then you are accurate to 1 part is 200, or +- 0.5%.

If you do a decent job of estimating to the tenth of a millimeter, you can be even more accurate than that.

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