Homework Help: Math Help Please

Posted by Andrew on Thursday, February 22, 2007 at 7:46pm.

The concentric circles, or growth rings, represent the cross-section of a tree with a diameter of 16 centimeters. The width of the outer tree ring measures 2 centimeters. What is the area in square centimeters of the outer ring of the cross-section of the tree? Use 3.14 for p.i.

does 88 seem correct?

actually I got 87.92 but thank you

yeah thats what i got but i just rounded because of the sig figs

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