With a wooden ruler you measure the length of a rectangular piece of sheet metal

Question

With a wooden ruler you measure the length of a rectangular piece of sheet metal to be 16mm . You use micrometer calipers to measure the width of the rectangle and obtain the value 6.04mm . Give your answers to the following questions to the correct number of significant figures.

A. What is the area of the rectangle?

B. What is the ratio of the rectangle's width to its length?

C. What is the perimeter of the rectangle?

D. What is the difference between the length and width?

E. What is the ratio of the length to the width?

Explanation / Answer

Area = width x length = 97
Ratio = w/l =0.4
Perimeter = (2 x l) + (2 x w) =44
Difference = l - w = 10
Ratio = l/w =3

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