QuestionUploads p48.pdf Saved Participation Quiz-48
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1. A rectangular beam (a wooden pole) is to be cut from a cylindrical $\log$ of 20 in diameter as shown in the picture. (a) Show that the cross-sectional area of the rectangular beam (shown in the pictures below) is modeled by the function, $$A(\theta)=200 \sin (2 \theta)$$ (b) What is the maximum cross-sectional area of such a beam ?