



 
Hi Shannon, First I would convert the radius to inches in decimal form. I get 25.625 inches. On the diagram C is in the centre of the cylinder. The triangle ABC is a right triangle and since the measure of the angle CAB is 45 degrees BC = CA = r, the radius of the cylinder. Using Pythagoras theorem
so
and hence AB = √2 r = 1.4142 × r. Harley  


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