Choose the One Alternative That Best Completes the Statement or Answers

question 63

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Alan is building a garden shaped like a rectangle with a semicircle attached to one short side. If he has 40 feet of fencing to go around it, what dimensions will give him the maximum area in the garden?

• A) width \(= \frac { 40 } { \pi + 4 } \approx 5.6\), length \(= 11.2\)
• B) width \(= \frac { 80 } { \pi + 8 } \approx 7.2\), length \(= 10.8\)
• C) width \(= \frac { 80 } { \pi + 4 } \approx 11.2\), length \(= 14.4\)
• D) width \(= \frac { 80 } { \pi + 4 } \approx 11.2\), length \(= 5.6\)

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Definitions:

Monomer

A molecule that can be bonded to other identical molecules to form a polymer.

Reaction

A process in which substances interact, causing the formation of new substances with different properties.