Jonathan measured a line to be 17.3 inches long. If the actual length of the line is 18 inches, then what was the percent error of the measurement, to the nearest tenth of a
percent?

Me i've asked this question 3 time asapright triangle abc and its image, triangle a'b'c' are shown below. algebraically prove that a clockwise and counterclockwise rotation of 180o about the origin for triangle abc are equivalent rotations.