A wooden beam has a rectangular cross section of height h and width w (see figure). The strength S of the beam is directly proportional to the width and the square of the height. What are the dimensions of the strongest beam that can be cut from a round log of diameter d = 26 inches? Round your answers to two decimal places. [Hint: 
where k> 0 is the proportionality constant.]
?
A. 
inches and 
inches
B. 
inches and 
inches
C. 
inches and
inches
D. 
inches and
inches
E. 
inches and
inches
Answer: A
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