Homework Help: math

Posted by Leo on Sunday, June 17, 2012 at 11:57pm.

You must cover a hole that is elliptical in shape. You measure the major and minor axes and find them to be 6 ft. and 4.5 ft. respectively. If you want a 6 inch overhang around the hole, how much covering will you need? (Round to the tenths place.)

math - Steve, Monday, June 18, 2012 at 12:12am
area of ellipse is πab where a and b are the semi-axes.

so the area of our expanded ellipse is π(3+.5)(2.25+.5) = 30.2 ft^2
math - Leo, Monday, June 18, 2012 at 12:16am
thank you

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