91Ó°ÊÓ

26\. Find the isosceles triangle of smallest area that circumscribes a circle of radius 1 (Simpson). (Simpson). mum when \(x=\frac{1}{2} b \sqrt[3]{5}, y=\frac{1}{4} b \sqrt[3]{5}\), and \(z=\frac{b \sqrt[3]{5}}{2 \sqrt{3}}\) (Simpson).

27\. Find the cone of least surface area with given volume \(V\) (Simpson).