This quantity is equal to the double integralG are the coe cients of the  rst fundamental form.
This quantity is equal to the double integralG are the coe cients of the  rst fundamental form. This quantity is equal to the integral of the norm of Tu cross Tv. The value of this quantity for a zoneis equal to 2πrh, and for an oblate   spheroid it is 2πa + e ln 1−e . This quantity is notably in nite for the shape created by revolving the curve y = 1 about the y-axis; that shape is known as Gabriel's Horn. This quantity is the derivative of volume with respect to the inradius of many symmetric shapes. For ten points, identify this property of a three-dimensional shape, which for cubes is equal to 6 times the edge length squared.
This quantity is equal to the double integralG are the coe cients of the  rst fundamental form.
surface area