With a wooden ruler you measure the length of a rectangular piece of sheet metal to be 12 mm. You use micrometer calipers to measure the with of the rectangle and obtain the value 5.98 mm. Give your answers to the following questions to the correct number of significant figures.
(a) What is the area of the rectangle?
(h) What is the ratio of 1he rectangle's with to its length?
(c) What is the perimeter of the rectangle?
(d) What is the difference between the lengths and with?
(e) What is 1he ratio of 1he length to the with?